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Tittonen</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Highly transparent copper iodide thin film thermoelectric generator on a flexible substrate</style></title><secondary-title><style face="normal" font="default" size="100%">RSC Advances</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><volume><style face="normal" font="default" size="100%">9</style></volume><pages><style face="normal" font="default" size="100%">35384</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Esperança Garcia, Diogo Miguel</style></author><author><style face="normal" font="default" size="100%">Taborda Martins Pereira, Ana Sofia</style></author><author><style face="normal" font="default" size="100%">Antonio Carranca Almeida</style></author><author><style face="normal" font="default" size="100%">Santana Roma, Urbez</style></author><author><style face="normal" font="default" size="100%">Ben Aissa Soler, Alejandra</style></author><author><style face="normal" font="default" size="100%">Paul D. Lacharmoise</style></author><author><style face="normal" font="default" size="100%">Isabel Maria das Merces Ferreira</style></author><author><style face="normal" font="default" size="100%">Claudia Custod́io Delgado Simao</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Large-Area Paper Batteries with Ag and Zn/Ag Screen-Printed  Electrodes</style></title><secondary-title><style face="normal" font="default" size="100%">ACS Omega</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><urls><related-urls><url><style face="normal" font="default" size="100%">https://sites.fct.unl.pt/sites/default/files/energymaterials/files/acsomega.9b01545.pdf</style></url></related-urls></urls><volume><style face="normal" font="default" size="100%">4</style></volume><pages><style face="normal" font="default" size="100%">16781−16788</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Marques, AC</style></author><author><style face="normal" font="default" size="100%">Faria, J.</style></author><author><style face="normal" font="default" size="100%">Perdigão, P.</style></author><author><style face="normal" font="default" size="100%">B. M. M. Faustino</style></author><author><style face="normal" font="default" size="100%">Ritasalo, Riina</style></author><author><style face="normal" font="default" size="100%">Costabello, Katiuscia</style></author><author><style face="normal" font="default" size="100%">R.C. da Silva</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Stability under humidity, UV-light and bending of AZO films deposited by ALD on Kapton</style></title><secondary-title><style face="normal" font="default" size="100%">Scientific Reports</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2019</style></year></dates><volume><style face="normal" font="default" size="100%">9</style></volume><pages><style face="normal" font="default" size="100%">17919</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">I. Ropio</style></author><author><style face="normal" font="default" size="100%">Baptista, A. C.</style></author><author><style face="normal" font="default" size="100%">J. P. Nobre</style></author><author><style face="normal" font="default" size="100%">J. Correia</style></author><author><style face="normal" font="default" size="100%">F. Belo</style></author><author><style face="normal" font="default" size="100%">S. Taborda</style></author><author><style face="normal" font="default" size="100%">B. M. Morais Faustino</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author><author><style face="normal" font="default" size="100%">A. Kovalenko</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Cellulose paper functionalised with polypyrrole and poly(3,4-ethylenedioxythiophene) for paper battery electrodes</style></title><secondary-title><style face="normal" font="default" size="100%">Org Electron</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2018</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.orgel.2018.06.025</style></url></web-urls></urls><abstract><style face="normal" font="default" size="100%">&lt;p&gt;A simple process of commercial paper functionalisation via in situ polymerisation of conductive polymers onto cellulose fibres was investigated and applied as electrodes in paper-based batteries. The functionalisation involved polypyrrole (PPy) and Poly (3,4-ethylenedioxythiophene) (PEDOT) as conductive polymers with the process of functionalisation optimised for each polymer individually with respect to oxidant-to-monomer ratios and polymerisation times and temperature. Paper with conductivity values of 44 mS/cm was obtained by exposing the samples to pyrrole vapour for a period of 30 min at room temperature; however, polymerisation at temperatures of 40 °C lead to higher conductivity values to up 141 mS/cm. Consequently, functionalised PPy and PEDOT papers were applied as cathodes in batteries with Al foil anodes and commercial paper soaked in an electrolyte solution of NaCl.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Baptista, A. C.</style></author><author><style face="normal" font="default" size="100%">I. Ropio</style></author><author><style face="normal" font="default" size="100%">B. Romba</style></author><author><style face="normal" font="default" size="100%">J. P. Nobre</style></author><author><style face="normal" font="default" size="100%">Henriques, C</style></author><author><style face="normal" font="default" size="100%">Silva, J.C.</style></author><author><style face="normal" font="default" size="100%">Martins, J. I.</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Cellulose-based electrospun fibers functionalized with polypyrrole and polyaniline for fully organic batteries</style></title><secondary-title><style face="normal" font="default" size="100%">J Mater Chem A</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2018</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1039/C7TA06457H</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">6</style></volume><pages><style face="normal" font="default" size="100%">256-265</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;A novel cellulose-based bio-battery made of electrospun fibers activated by biological fluids has been developed. This work reports a new concept for a fully organic bio-battery that takes advantage of the high surface to volume ratio achieved by an electrospun matrix composed of sub-micrometric fibers that acts simultaneously as the separator and the support of the electrodes. Polymer composites of polypyrrole (PPy) and polyaniline (PANI) with cellulose acetate (CA) electrospun matrix were produced by in situ chemical oxidation of pyrrole and aniline on the CA fibers. The structure (CA/PPy|CA|CA/PANI) generated a power density of 1.7 mW g−1 in the presence of simulated biological fluids, which is a new and significant contribution to the domain of medical batteries and fully organic devices for biomedical applications.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">1</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">B. M. M. Faustino</style></author><author><style face="normal" font="default" size="100%">Gomes, D.</style></author><author><style face="normal" font="default" size="100%">Faria, J.</style></author><author><style face="normal" font="default" size="100%">T. Juntunen</style></author><author><style face="normal" font="default" size="100%">G. Gaspar</style></author><author><style face="normal" font="default" size="100%">Bianchi, C.</style></author><author><style face="normal" font="default" size="100%">Almeida, A.</style></author><author><style face="normal" font="default" size="100%">Marques, AC</style></author><author><style face="normal" font="default" size="100%">I. Tittonen</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">CuI p-type thin films for highly transparent thermoelectric pn modules</style></title><secondary-title><style face="normal" font="default" size="100%">Sci Rep</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2018</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1038/s41598-018-25106-3</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">8</style></volume><pages><style face="normal" font="default" size="100%">6867-6867</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Developments in thermoelectric (TE) transparent p-type materials are scarce and do not follow the trend of the corresponding n-type materials – a limitation of the current transparent thermoelectric devices. P-type thermoelectric thin films of CuI have been developed by three different methods in order to maximise optical transparency (&amp;gt;70% in the visible range), electrical (σ = 1.1 × 104 Sm−1) and thermoelectric properties (ZT = 0.22 at 300 K). These have been applied in the first planar fully transparent p-n type TE modules where gallium-doped zinc oxide (GZO) thin films were used as the n-type element and indium thin oxide (ITO) thin films as electrodes. A thorough study of power output in single elements and p-n modules electrically connected in series and thermally connected in parallel is inclosed. This configuration allows for a whole range of highly transparent thermoelectric applications.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">1</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">David Magalhães Sousa</style></author><author><style face="normal" font="default" size="100%">Luís Cerqueira</style></author><author><style face="normal" font="default" size="100%">Marques, Ana</style></author><author><style face="normal" font="default" size="100%">Guilherme Gaspar</style></author><author><style face="normal" font="default" size="100%">João Carlos Lima</style></author><author><style face="normal" font="default" size="100%">Ferreira, Isabel</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Facile Microwave-assisted Synthesis Manganese Doped Zinc Sulfide Nanoparticles</style></title><secondary-title><style face="normal" font="default" size="100%">Scientific Reports</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2018</style></year></dates><volume><style face="normal" font="default" size="100%">8</style></volume><pages><style face="normal" font="default" size="100%">15992</style></pages></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">O. Sulim</style></author><author><style face="normal" font="default" size="100%">R. Ribeiro</style></author><author><style face="normal" font="default" size="100%">I. Esteves</style></author><author><style face="normal" font="default" size="100%">C. Antunes</style></author><author><style face="normal" font="default" size="100%">A. Garate</style></author><author><style face="normal" font="default" size="100%">Duarte, P</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">J. Mota</style></author><author><style face="normal" font="default" size="100%">M. Plaza</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Design of structured adsorbents for aplications in gas adsorption processes - Conventional shaping vs 3D-Printed formulation</style></title></titles><dates><year><style  face="normal" font="default" size="100%">2017</style></year><pub-dates><date><style  face="normal" font="default" size="100%">5-10 March</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://dc.engconfintl.org/separations_technology_ix/8</style></url></web-urls></urls><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Microporous materials highly activated and with potential to be used as adsorbents in many applications for gas&lt;br /&gt;
separation/purification are usually available as powders. These solids usually have a great and reversible gas&lt;br /&gt;
uptake, high gas selectivity, good chemical and thermal stability, but are unsuitable to be used in gas adsorption&lt;br /&gt;
processes, such as Pressure Swing Adsorption (PSA) or Simulated Moving Bed (SMB).&lt;br /&gt;
Zeolites, carbons and more recently metal-organic frameworks (MOFs) are examples of those materials. Their&lt;br /&gt;
use in adsorption-based processes are dependent of their upgrading from powders (micrometer scale) to&lt;br /&gt;
particles (pellets, spheres or granules at millimeter scale). This would overcome large pressure drops and&lt;br /&gt;
consequent energy consumptions when packing adsorbent columns in those processes. Thus, shaping&lt;br /&gt;
adsorbents is an important step to use them in industry, although it greatly affects their capacity and selectivity&lt;br /&gt;
towards a specific gas separation.&lt;br /&gt;
In this work, we explore techniques to shape powdered adsorbents, followed by their textural and mechanical&lt;br /&gt;
characterizations, and the study of their adsorption properties towards the main components of post-combustion&lt;br /&gt;
flues gases (CO2 and N2). Materials densification is proposed by employing two approaches:&lt;br /&gt;
- Conventional shaping through binderless mechanical compression and binder-containing extrusion; and&lt;br /&gt;
- Formulation by 3D printing (or additive manufacturing) to produce packed bed morphologies that&lt;br /&gt;
precisely replicate computer aided design (CAD) models.&lt;br /&gt;
Porous separation media are important for fluid-solid contacting in many unit operations, including adsorption.&lt;br /&gt;
Due to practical limitations, media particles are typically packed randomly into a column in a shaped form,&lt;br /&gt;
allowing fluid to flow through the interstitial voids. Key to the effectiveness of packed columns are the flowrelated properties of mass transfer, fluid distribution and dispersion, and back pressure, which in turn depend&lt;br /&gt;
upon packing geometry. Until now, no alternative was found to overcome this limitation and have optimal&lt;br /&gt;
ordered packing arrangements at the micron scale. 3D-Printing (or additive manufacturing) brings a wide range&lt;br /&gt;
of benefits that traditional methods of manufacturing or prototyping simply cannot. With this approach, complex&lt;br /&gt;
ordered geometries, that are not possible by conventional extrusion, can be designed and printed for a porous&lt;br /&gt;
media, being the equipment resolution the only limiting step to overcome.&lt;br /&gt;
The effect of parameters like compression force, particle sieving, binder nature, binder/adsorbent ratio were&lt;br /&gt;
firstly studied using conventional shaping techniques, as a basis for the consequent development of 3D-printed&lt;br /&gt;
formulations. The structured samples are then characterized and adsorption equilibria studies are performed on&lt;br /&gt;
them to evaluate their performance as media for gas adsorption separation processes. A volumetric/manometric&lt;br /&gt;
adsorption unit built in-house was used for this purpose. Relevant experimental data is obtained, which allows to&lt;br /&gt;
conclude that 3D-printed media can be an alternative porous media for application in gas adsorption processes.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">A. Delgado-Lima</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author><author><style face="normal" font="default" size="100%">Ferreira, I. M.</style></author><author><style face="normal" font="default" size="100%">A. V. Machado</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Fluorescent and conductive cellulose acetate-based membranes with porphyrins</style></title><secondary-title><style face="normal" font="default" size="100%">Materials Today Communications</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2017</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.mtcomm.2017.02.004</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">11</style></volume><pages><style face="normal" font="default" size="100%">26-37</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The unique properties of electrospun nanofibers combined with functional compounds allow the preparation of novelty materials that can be employed in a wide range of applications. Among a vast number of polymers, Cellulose Acetate (CA) it is considered easy to electrospun and it was employed as the polymeric matrix, where free and iridium-porphyrins were incorporated. Two different solvent systems were employed according to the porphyrin used, and the best dispersion level on both the electrospun solution and the membranes, was achieved with the iridium porphyrin. The nanofibers with this porphyrin also exhibited electrical properties, while the fluorescence was quenched by the presence of specific axial ligands.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">T. Mateus</style></author><author><style face="normal" font="default" size="100%">S. Filonovich</style></author><author><style face="normal" font="default" size="100%">M. Ferreira</style></author><author><style face="normal" font="default" size="100%">J. Figueira</style></author><author><style face="normal" font="default" size="100%">Rodrigues, A.</style></author><author><style face="normal" font="default" size="100%">B. F. Donovan</style></author><author><style face="normal" font="default" size="100%">P. E. Hopkins</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Improved thermoelectric properties of nanocrystalline hydrogenated silicon thin films by post-deposition thermal annealing</style></title><secondary-title><style face="normal" font="default" size="100%">Thin Solid Films</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2017</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.tsf.2017.09.047</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">642</style></volume><pages><style face="normal" font="default" size="100%">276-280</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The influence of post-deposition thermal annealing on the thermoelectric properties of n-and p-type nanocrystalline hydrogenated silicon thin films, deposited by plasma enhanced chemical vapour deposition, was studied in this work. The Power Factor of p-type films was improved from 7× 10− 5 to 4× 10− 4 W/(mK 2) as the annealing temperature, under vacuum, increased up to 400° C while for n-type films it has a minor influence. Optimized Seebeck coefficient values of 460 μV/K and− 320 μV/K were achieved for p-and n-type films, respectively, with crystalline size in the range of 10 nm, leading to remarkable low thermal conductivity values (&amp;lt; 10 Wm− 1. K− 1) at room temperature.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">P. Faria</style></author><author><style face="normal" font="default" size="100%">Duarte, P</style></author><author><style face="normal" font="default" size="100%">D. Barbosa</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">New composite of natural hydraulic lime mortar with graphene oxide</style></title><secondary-title><style face="normal" font="default" size="100%">Constr Build Mater</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2017</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.conbuildmat.2017.09.072</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">156</style></volume><pages><style face="normal" font="default" size="100%">1150-1157</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Recent studies show the incorporation of graphene oxide (GO) in cement composites. But these composites are frequently incompatible with original materials for building rehabilitation. To overcome this limitation, natural hydraulic lime mortars were used as matrix, and the influence of GO percentage and type of mixing was investigated. The influence on the microstructure, mechanical and physical properties was assessed. The best results were obtained with dispersed GO at concentrations of 0.05% and 0.1%. A slight improvement of mechanical and physical characteristics was achieved. This could lead to new mortars with improved properties that can be used for building rehabilitation.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">J. Figueira</style></author><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">Marques, J.</style></author><author><style face="normal" font="default" size="100%">Bianchi, C.</style></author><author><style face="normal" font="default" size="100%">Duarte, P</style></author><author><style face="normal" font="default" size="100%">M. Ruoho</style></author><author><style face="normal" font="default" size="100%">I. Tittonen</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Optimization of Cuprous Oxides Thin Films to be used as Thermoelectric Touch Detectors</style></title><secondary-title><style face="normal" font="default" size="100%">ACS Appl Mater Interfaces</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2017</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1021/acsami.6b12753</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">9</style></volume><pages><style face="normal" font="default" size="100%">6520-6529</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The electronic and optical properties of p-type copper oxides (CO) strongly depend on the production technique as it influences the obtained phases: cuprous oxide (Cu2O) or cupric oxide (CuO), the most common ones. Cu films deposited by thermal evaporation have been annealed in air atmosphere, with temperature between 225 and 375 °C and time between 1 and 4 h. The resultant CO films have been studied to understand the influence of processing parameters in the thermoelectric, electrical, optical, morphological, and structural properties. Films with a Cu2O single phase are formed when annealing at 225 °C, while CuO single phase films can be obtained at 375 °C. In between, both phases are obtained in proportions that depend on the film thickness and annealing time. The positive sign of the Seebeck coefficient (S), measured at room temperature (RT), confirms the p-type behavior of both oxides, showing values up to 1.2 mV·°C–1and conductivity up to 2.9 (Ω·m)−1. A simple detector using Cu2O have been fabricated and tested with fast finger touch events&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">7</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Sousa, D. M.</style></author><author><style face="normal" font="default" size="100%">J. C. Lima</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Synthesis of Cadmium Selenide Quantum Dots, Using 2, 2‐Bipyridine as a Capping and Phase Transfer Agent</style></title><secondary-title><style face="normal" font="default" size="100%">ChemistrySelect</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2017</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1002/slct.201601804</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">2</style></volume><pages><style face="normal" font="default" size="100%">1271-1274</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Cadmium selenide quantum dots (CdSe QDs), were synthesized by one‐pot or water‐to‐organic phase transfer and capped with molten 2,2′‐bipyridine (bipy). The obtained CdSe QDs by the two‐step procedure, reveal average sizes of 2 nm while the one‐pot are mixed with secondary salt products and bipy and are undetectable by TEM. However the absorption peak of both CdSe QDs was at 425 nm and the emission band is centered at 535 nm, with a band width at half height of 77 nm, when excited with 425 nm light. The two‐step CdSe QDs synthesis has the great advantage of capping the CdSe QDs with bipy, forming a solid phase, which is easily stored and dispersed in most of the organic solvents. On the other hand, the one‐pot procedure requires an extra step to remove the secondary products.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">3</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. Bari</style></author><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">M. Pudas</style></author><author><style face="normal" font="default" size="100%">K. Tappura</style></author><author><style face="normal" font="default" size="100%">K. Jaakola</style></author><author><style face="normal" font="default" size="100%">M. Ruoho</style></author><author><style face="normal" font="default" size="100%">I. Tittonen</style></author><author><style face="normal" font="default" size="100%">S. Volz</style></author><author><style face="normal" font="default" size="100%">C. Pavan</style></author><author><style face="normal" font="default" size="100%">K. Costabello</style></author><author><style face="normal" font="default" size="100%">D. Bollen</style></author><author><style face="normal" font="default" size="100%">M. Haslam</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">TransFlexTeg: Large area transparent thin film thermoelectric devices for smart window and flexible applications</style></title><secondary-title><style face="normal" font="default" size="100%">14th European Conference on Thermoelectrics, ECT 2016</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year><pub-dates><date><style  face="normal" font="default" size="100%">20-23 Sep</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://vtt.pure.elsevier.com/en/publications/transflexteg-large-area-transparent-thin-film-thermoelectric-devi</style></url></web-urls></urls><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The main objective of TransFlexTeg is to develop an innovative large area distributed sensor network integrating transparent thin film thermoelectric devices and sensors for multifunctional smart windows and flexible high impact volume applications. Different breakthrough concepts will be developed: 1) large area high performance transparent thermoelectric thin films deposited on flexible substrates for thermal energy harvesting; 2) low cost high throughput thin film thermal sensors for thermal mapping and gesture sensing; 3) flexible smart windows and walls with energy harvesting, environmental sensing and wireless communication functionalities. This technology aims to demonstrate the functionalities of a smart window able to measure air quality and environmental parameters such as temperature, sun radiation and humidity. The data is automatically collected and can be utilized for controlling heating, cooling and ventilation systems of indoors. Active radio interface enables long range communication and long term data collection with WiFi or a similar base station. The proposed concept of smart windows replaces several conventional sensors with a distributed sensor network that is integrated invisibly into windows. In addition to the power generated from the thermal energy harvesting, the thermoelectric elements (TE) are also used as temperature sensors that, while being distributed over large area, enable thermal mapping of the area instead of just one or a few values measured from particular points. This smart window can be produced on glass. The active layer itself can be flexible glass layer or polymer sheet, which will significantly broaden the field of applications and improve business opportunities. Both can be manufactured in batch, or in Roll to Roll Atomic Layer Deposition (R2R ALD) process. High environmental impact is expected with savings of more than 25% of the electrical usage of residential homes and office buildings.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Soares, PIP</style></author><author><style face="normal" font="default" size="100%">A. I. Sousa</style></author><author><style face="normal" font="default" size="100%">Silva, J.C.</style></author><author><style face="normal" font="default" size="100%">Ferreira, IMM</style></author><author><style face="normal" font="default" size="100%">Novo, CMM</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Chitosan-based nanoparticles as drug delivery systems for doxorubicin: Optimization and modelling</style></title><secondary-title><style face="normal" font="default" size="100%">Carbohydr Polym</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.carbpol.2016.03.028</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">147</style></volume><pages><style face="normal" font="default" size="100%">304-312</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;In the present work, two drug delivery systems were produced by encapsulating doxorubicin into chitosan and O-HTCC (ammonium-quaternary derivative of chitosan) nanoparticles. The results show that doxorubicin release is independent of the molecular weight and is higher at acidic pH (4.5) than at physiological pH. NPs with an average hydrodynamic diameter bellow 200 nm are able to encapsulate up to 70% and 50% of doxorubicin in the case of chitosan and O-HTCC nanoparticles, respectively. O-HTCC nanoparticles led to a higher amount of doxorubicin released than chitosan nanoparticles, for the same experimental conditions, although the release mechanism was not altered. A burst effect occurs within the first hours of release, reaching a plateau after 24 h. Fitting mathematical models to the experimental data led to a concordant release mechanism between most samples, indicating an anomalous or mixed release, which is in agreement with the swelling behavior of chitosan described in the literature.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. J. Mendes</style></author><author><style face="normal" font="default" size="100%">A. Araújo</style></author><author><style face="normal" font="default" size="100%">A. Vicente</style></author><author><style face="normal" font="default" size="100%">Águas, H.</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">E. Fortunato</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Design of optimized wave-optical spheroidal nanostructures for photonic-enhanced solar cells</style></title><secondary-title><style face="normal" font="default" size="100%">Nano Energy</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.nanoen.2016.05.038</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">26</style></volume><pages><style face="normal" font="default" size="100%">286-296</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The interaction of light with wavelength-sized photonic nanostructures is highly promising for light management applied to thin-film photovoltaics. Several light trapping effects come into play in the wave optics regime of such structures that crucially depend on the parameters of the photonic and absorbing elements. Thus, multi-parameter optimizations employing exact numerical models, as performed in this work, are essential to determine the maximum photocurrent enhancement that can be produced in solar cells.&lt;/p&gt;
&lt;p&gt;Generalized spheroidal geometries and high-index dielectric materials are considered here to model the design of the optical elements providing broadband absorption enhancement in planar silicon solar cells. The physical mechanisms responsible for such enhancement are schematized in a spectral diagram, providing a deeper understanding of the advantageous characteristics of the optimized geometries. The best structures, composed of TiO2 half-spheroids patterned on the cells' top surface, yield two times higher photocurrent (up to 32.5 mA/cm2 in 1.5 µm thick silicon layer) than the same devices without photonic schemes.&lt;/p&gt;
&lt;p&gt;These results set the state-of-the-art closer to the theoretical Lambertian limit. In addition, the considered light trapping designs are not affected by the traditional compromise between absorption enhancement versus current degradation by recombination, which is a key technological advantage.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">João, CFC</style></author><author><style face="normal" font="default" size="100%">Baptista, A. C.</style></author><author><style face="normal" font="default" size="100%">Ferreira, IMM</style></author><author><style face="normal" font="default" size="100%">Silva, J.C.</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">https://vtt.pure.elsevier.com/en/publications/transflexteg-large-area-transparent-thin-film-thermoelectric-devi</style></title><secondary-title><style face="normal" font="default" size="100%">Fibrous and textile materials for composite applications</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1007/978-981-10-0234-2_8</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Springer</style></publisher><pub-location><style face="normal" font="default" size="100%">Singapore</style></pub-location><pages><style face="normal" font="default" size="100%">261-299</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Cellulose and chitin are the two most abundant natural polysaccharides. Both have a semicrystalline microfibrillar structure from which nanofibres can be extracted. These nanofibres are rod-like microcrystals that can be used as nanoscale reinforcements in composites due to their outstanding mechanical properties. This chapter starts by reviewing the sources, extraction methods and properties of cellulose and chitin nanofibres. Then, their use in the fabrication of structural and functional nanocomposites and the applications that have been investigated are reviewed. Nanocomposites are materials with internal nano-sized structures. They benefit from the properties of the nanofillers: low density, nonabrasive, nontoxic, low cost, susceptibility to chemical modifications and biodegradability. Diverse manufacturing technologies have been used to produce films, fibres, foams, sponges, aerogels, etc. Given their natural origin and high stiffness, these polymers have attracted a lot of attention not only in the biomedical and tissue engineering fields but also in areas such as pharmaceutics, cosmetics, agriculture, biosensors and water treatment.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Soares, PIP</style></author><author><style face="normal" font="default" size="100%">Laia, C. A. T.</style></author><author><style face="normal" font="default" size="100%">Carvalho, A.</style></author><author><style face="normal" font="default" size="100%">L. C. J. Pereira</style></author><author><style face="normal" font="default" size="100%">J. T. Coutinho</style></author><author><style face="normal" font="default" size="100%">Ferreira, IMM</style></author><author><style face="normal" font="default" size="100%">Novo, CMM</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Iron oxide nanoparticles stabilized with a bilayer of oleic acid for magnetic hyperthermia and MRI applications</style></title><secondary-title><style face="normal" font="default" size="100%">Appl Surf Sci</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.apsusc.2016.04.181</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">383</style></volume><pages><style face="normal" font="default" size="100%">240-247</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Iron oxide nanoparticles (Fe3O4, IONPs) are promising candidates for several biomedical applications such as magnetic hyperthermia and as contrast agents for magnetic resonance imaging (MRI). However, their colloidal stability in physiological conditions hinders their application requiring the use of biocompatible surfactant agents. The present investigation focuses on obtaining highly stable IONPs, stabilized by the presence of an oleic acid bilayer. Critical aspects such as oleic acid concentration and pH were optimized to ensure maximum stability. NPs composed of an iron oxide core with an average diameter of 9 nm measured using transmission electron microscopy (TEM) form agglomerates with an hydrodynamic diameter of around 170 nm when dispersed in water in the presence of an oleic acid bilayer, remaining stable (zeta potential of −120 mV). Magnetic hyperthermia and the relaxivities measurements show high efficiency at neutral pH which enables their use for both magnetic hyperthermia and MRI.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Soares, PIP</style></author><author><style face="normal" font="default" size="100%">D. Machado</style></author><author><style face="normal" font="default" size="100%">C. Laia</style></author><author><style face="normal" font="default" size="100%">L. C. J. Pereira</style></author><author><style face="normal" font="default" size="100%">J. T. Coutinho</style></author><author><style face="normal" font="default" size="100%">Ferreira, IMM</style></author><author><style face="normal" font="default" size="100%">Novo, CMM</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Thermal and magnetic properties of chitosan-iron oxide nanoparticles</style></title><secondary-title><style face="normal" font="default" size="100%">Carbohydr Polym</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.carbpol.2016.04.123</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">149</style></volume><pages><style face="normal" font="default" size="100%">382-390</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Chitosan is a biopolymer widely used for biomedical applications such as drug delivery systems, wound healing, and tissue engineering. Chitosan can be used as coating for other types of materials such as iron oxide nanoparticles, improving its biocompatibility while extending its range of applications.&lt;/p&gt;
&lt;p&gt;In this work iron oxide nanoparticles (Fe3O4 NPs) produced by chemical precipitation and thermal decomposition and coated with chitosan with different molecular weights were studied. Basic characterization on bare and chitosan-Fe3O4 NPs was performed demonstrating that chitosan does not affect the crystallinity, chemical composition, and superparamagnetic properties of the Fe3O4 NPs, and also the incorporation of Fe3O4 NPs into chitosan nanoparticles increases the later hydrodynamic diameter without compromising its physical and chemical properties. The nano-composite was tested for magnetic hyperthermia by applying an alternating current magnetic field to the samples demonstrating that the heating ability of the Fe3O4 NPs was not significantly affected by chitosan.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Soares, PIP</style></author><author><style face="normal" font="default" size="100%">A. I. Sousa</style></author><author><style face="normal" font="default" size="100%">Ferreira, IMM</style></author><author><style face="normal" font="default" size="100%">Novo, CMM</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Towards the development of multifunctional chitosan-based iron oxide nanoparticles: Optimization and modelling of doxorubicin release</style></title><secondary-title><style face="normal" font="default" size="100%">Carbohydr Polym</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.carbpol.2016.07.109</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">153</style></volume><pages><style face="normal" font="default" size="100%">212-221</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;In the present work composite nanoparticles with a magnetic core and a chitosan-based shell were produced as drug delivery systems for doxorubicin (DOX). The results show that composite nanoparticles with a hydrodynamic diameter within the nanometric range are able to encapsulate more DOX than polymeric nanoparticles alone corresponding also to a higher drug release. Moreover the synthesis method of the iron oxide nanoparticles influences the total amount of DOX released and a high content of iron oxide nanoparticles inhibits DOX release. The modelling of the experimental results revealed a release mechanism dominated by Fickian diffusion.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Bianchi, C.</style></author><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">Duarte, P</style></author><author><style face="normal" font="default" size="100%">Marques, J.</style></author><author><style face="normal" font="default" size="100%">J. Figueira</style></author><author><style face="normal" font="default" size="100%">I. Ropio</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">V2O5 Thin Films for Flexible and High Sensitivity Transparent Temperature Sensor</style></title><secondary-title><style face="normal" font="default" size="100%">Advanced Materials Technologies</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1002/admt.201600077</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">1</style></volume><pages><style face="normal" font="default" size="100%">1600077</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;This work reports the optimization of V2O5 Seebeck coefficient to obtain high sensitivity and transparent temperature sensors. It is observed that the film thickness plays a major role on the thermoelectric properties, together with the annealing step, obtaining a Seebeck coefficient of −690 μV K−1, for 75 nm thick V2O5 films deposited on glass, after an annealing step of 1 h at 773 K, in air. The V2O5 films are also deposited and optimized on polyimide substrates, but lower annealing temperature is required, 573 K for 3 h, to maintain the flexibility of the substrate and simultaneously high Seebeck coefficient, −591 μV K−1. These films are used in a simple design sensor and tested on the surface of a microfluidic channel (500 μm) made of polydimethylsiloxane, while having hot water flowing through it. The response time is below 1 s and the recovery time around 5 s.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">6</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Bianchi, C.</style></author><author><style face="normal" font="default" size="100%">Ferreira, LM</style></author><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">Rodrigues, A.</style></author><author><style face="normal" font="default" size="100%">Duarte, P</style></author><author><style face="normal" font="default" size="100%">Baptista, A. C.</style></author><author><style face="normal" font="default" size="100%">Ferreira, I. M.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Vanadium Pentoxide Alloyed with Graphite for Thin-Film Thermal Sensors</style></title><secondary-title><style face="normal" font="default" size="100%">J. Electron. Mater.</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1007/s11664-016-4363-2</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">45</style></volume><pages><style face="normal" font="default" size="100%">1987–1991</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The thermoelectric (TE) properties of vanadium pentoxide (V2O5) alloyed with graphite (G) were studied as a function of its incorporation percentage. Variable weight percentages of graphite powder (0–50%) were added to V2O5 powder and their mixtures were evaporated by a thermal evaporation technique to form thin films with a thickness in the range of 30–80 nm. In the infrared wavelength region, the transmittance of the obtained films increased as the G percentage was increased, while in the visible range, it decreased with G up to 10%. The TE properties were improved when G was in the range of 10–30%, while it decreased for the other percentages: Seebeck coefficient (S) changed from 0.6 mV/K to 0.9 mV/K and was zero with a G of 50%; the electrical conductivity varied slightly from 5 (Ωm)−1 to 0.7 (Ωm)−1 while the mobility improved from 0.07 cm2/V s to 1.5 cm2/V s and the respective carrier concentration was reduced, from 1 × 1018 cm−3 to 4 × 1016 cm−3. These films were applied as temperature sensors evaluating the thermovoltage as a function of thermal gradient between two electrodes, in which one was maintained at room temperature.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">3</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. J. Mendes</style></author><author><style face="normal" font="default" size="100%">S. Morawiec</style></author><author><style face="normal" font="default" size="100%">T. Mateus</style></author><author><style face="normal" font="default" size="100%">A. Lyubchyk</style></author><author><style face="normal" font="default" size="100%">Águas, H.</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">E. Fortunato</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">F. Priolo</style></author><author><style face="normal" font="default" size="100%">I. Crupi</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Broadband light trapping in thin film solar cells with self-organized plasmonic nano-colloids</style></title><secondary-title><style face="normal" font="default" size="100%">Nanotechnology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1088/0957-4484/26/13/135202</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">26</style></volume><pages><style face="normal" font="default" size="100%">135202</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The intense light scattered from metal nanoparticles sustaining surface plasmons makes them attractive for light trapping in photovoltaic applications. However, a strong resonant response from nanoparticle ensembles can only be obtained if the particles have monodisperse physical properties. Presently, the chemical synthesis of colloidal nanoparticles is the method that produces the highest monodispersion in geometry and material quality, with the added benefits of being low-temperature, low-cost, easily scalable and of allowing control of the surface coverage of the deposited particles. In this paper, novel plasmonic back-reflector structures were developed using spherical gold colloids with appropriate dimensions for pronounced far-field scattering. The plasmonic back reflectors are incorporated in the rear contact of thin film n-i-p nanocrystalline silicon solar cells to boost their photocurrent generation via optical path length enhancement inside the silicon layer. The quantum efficiency spectra of the devices revealed a remarkable broadband enhancement, resulting from both light scattering from the metal nanoparticles and improved light incoupling caused by the hemispherical corrugations at the cells' front surface formed from the deposition of material over the spherically shaped colloids.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">13</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Baptista, A. C.</style></author><author><style face="normal" font="default" size="100%">A. M. Botas</style></author><author><style face="normal" font="default" size="100%">A. P. C. Almeida</style></author><author><style face="normal" font="default" size="100%">A. T. Nicolau</style></author><author><style face="normal" font="default" size="100%">B. P. Falcão</style></author><author><style face="normal" font="default" size="100%">M. J. Soares</style></author><author><style face="normal" font="default" size="100%">J. P. Leitão</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Down conversion photoluminescence on PVP/Ag-nanoparticles electrospun composite fibers</style></title><secondary-title><style face="normal" font="default" size="100%">Opt. Mater.</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.optmat.2014.11.015</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">39</style></volume><pages><style face="normal" font="default" size="100%">278-281</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The influence of Ag nanoparticles (Ag NPs) on the luminescence of electrospun nonwoven mats made of polyvinylpyrrolidone (PVP) has been studied in this work. The PVP fibers incorporating 2.1–4.3 nm size Ag NPs show a significant photoluminescence (PL) band between 580 and 640 nm under 325 nm laser excitation. The down conversion luminescence emission is present even after several hours of laser excitation, which denotes the durability and stability of fibers to consecutive excitations. As so these one-dimensional photonic fibers made using cheap methods is of great importance for organic optoelectronic applications, fluorescent clothing or counterfeiting labels.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">H. Muelle</style></author><author><style face="normal" font="default" size="100%">P. Barquinha</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">E. Fortunato</style></author><author><style face="normal" font="default" size="100%">Santos, M. C.</style></author><author><style face="normal" font="default" size="100%">Diniz, M. S.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of ultra-sonication on the cyanobacteria Microcystis aeruginosa structure and growth</style></title><secondary-title><style face="normal" font="default" size="100%">Microsc. Microanal.</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%"> https://doi.org/10.1017/S1431927614013920</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">21</style></volume><pages><style face="normal" font="default" size="100%">50-51</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The eutrophication of surface waters caused by cyanobacteria is a worldwide problem, leading to expensive&lt;br /&gt;
water treatment costs [1]. In addition, the production of microcystins by these microalgae may cause many&lt;br /&gt;
health problems to humans and animals (e.g. liver cancer) and even death [2]. Therefore, a variety of&lt;br /&gt;
methods have been developed to control cyanobacteria blooms, including physical and chemical treatments.&lt;br /&gt;
However, they have negative impacts on other species of (micro) algae and on other aquatic biota. As a&lt;br /&gt;
consequence, ultrasonic algae treatment has been proposed as a clean approach to controlling the blooms of&lt;br /&gt;
some algae species and microcystins degradation [3]. Still, the specific effects of ultra-sonication on&lt;br /&gt;
cyanobacteria are not well known. The present work aimed to study the effects of ultra-sonication on the&lt;br /&gt;
cyanobacteria structure under different ultrasound conditions (changing frequency and power) by using&lt;br /&gt;
conventional histology and electron microscopy methods.&lt;br /&gt;
Microcystis spp. were harvested in a lake from Azores (Portugal) and stored in the cool and dark until&lt;br /&gt;
transported to the laboratory. Cyanobacteria were cultured in liquid BG-11 axenic medium at 22ºC in an&lt;br /&gt;
incubator chamber, under continuous illumination (fluorescent cold white light).&lt;br /&gt;
Samples were collected and suspensions of cells (1ml each) were subjected to ultrasonic irradiation using&lt;br /&gt;
diverse ultrasonic equipment (UP100H; UP200S, sonoreactor UTR 200 and ultrasonic bath) and testing&lt;br /&gt;
different exposure times. All the experimental algal suspensions were exposed for 5 min to ultrasonication&lt;br /&gt;
(on ice for periods of 10s to avoid heating). After ultrasonication cyanobacteria growth was assessed for a&lt;br /&gt;
period of 14 days and structural changes in cells were evaluated by light (LM) and scanning electron&lt;br /&gt;
microscopy (SEM) examination. The results show growth inhibition of the cyanobacteria according to&lt;br /&gt;
intensity and power used in each ultrasonic device. The use of the most powerful devices (sonoreactor and&lt;br /&gt;
UP200S) resulted in a massive disrupting of cell walls with consequent cell death (Fig. 1e,f). Similar results&lt;br /&gt;
were obtained by Ahan et al. [1] and Nakano et al. [4] and showing cell wall disruption. However, even&lt;br /&gt;
after exposure to the most powerful instrumentation it was possible to detect some viable cells and after 14&lt;br /&gt;
days colonies were already visible. The results from light and electron microscopy showed noticeable&lt;br /&gt;
changes at the structural level such as disruption of cell gas vacuoles (arrowhead), colony disaggregation and&lt;br /&gt;
damage of cell walls of cells (Fig. 1c-f).&lt;br /&gt;
As a consequence, the use of ultrasounds to improve water quality from eutrophic waters must be considered&lt;br /&gt;
with careful in terms of efficiency and other complementary methods should be considered to assure good&lt;br /&gt;
water quality criteria. In addition, the effects of ultrasonication in other aquatic organisms require further&lt;br /&gt;
studies before using this technology to control algae blooms.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">T. Mateus</style></author><author><style face="normal" font="default" size="100%">S. Filonovich</style></author><author><style face="normal" font="default" size="100%">M. Ferreira</style></author><author><style face="normal" font="default" size="100%">J. Figueira</style></author><author><style face="normal" font="default" size="100%">Rodrigues, A.</style></author><author><style face="normal" font="default" size="100%">B. F. Donovan</style></author><author><style face="normal" font="default" size="100%">P. E. Hopkins</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Hydrogenated nanocrystalline silicon thin films with promising thermoelectric properties</style></title><secondary-title><style face="normal" font="default" size="100%">Appl. Phys. A</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1007/s00339-015-9343-5</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">120</style></volume><pages><style face="normal" font="default" size="100%">1497–1502</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The search for materials with suitable thermoelectric properties that are environmentally friendly and abundant led us to investigate p- and n-type hydrogenated nanocrystalline silicon (nc-Si:H) thin films, produced by plasma-enhanced chemical vapor deposition. The Seebeck coefficient and power factor were measured at room temperature showing optimized values of 512 µV K−1 and 3.6 × 10−5 W m−1 K−2, for p-type, and −188 µV K−1 and 2.2 × 10−4 W m−1 K−2, for n-type thin films. The thermoelectric output power of one nc-Si:H pair of both n- and p-type materials is ~91 µW per material cm3, for a thermal gradient of 8 K. The output voltage and current values show a linear dependence with the number of pairs interconnected in series and/or parallel and show good integration performance.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">4</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">A. Picado</style></author><author><style face="normal" font="default" size="100%">S. M. Paixão</style></author><author><style face="normal" font="default" size="100%">L. Moita</style></author><author><style face="normal" font="default" size="100%">L. Silva</style></author><author><style face="normal" font="default" size="100%">Diniz, M. S.</style></author><author><style face="normal" font="default" size="100%">J. Lourenço</style></author><author><style face="normal" font="default" size="100%">I. Peres</style></author><author><style face="normal" font="default" size="100%">L. Castro</style></author><author><style face="normal" font="default" size="100%">J. B. Correia</style></author><author><style face="normal" font="default" size="100%">J. Pereira</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">A. P. A. Matos</style></author><author><style face="normal" font="default" size="100%">P. Barquinha</style></author><author><style face="normal" font="default" size="100%">E. Mendonça</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">A multi-integrated approach on toxicity effects of engineered TiO2 nanoparticles</style></title><secondary-title><style face="normal" font="default" size="100%">Front. Env. Sci. Eng.</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1007/s11783-015-0775-0</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">9</style></volume><pages><style face="normal" font="default" size="100%">793–803</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The new properties of engineered nanoparticles drive the need for new knowledge on the safety, fate, behavior and biologic effects of these particles on organisms and ecosystems. Titanium dioxide nanoparticles have been used extensively for a wide range of applications, e.g, self-cleaning surface coatings, solar cells, water treatment agents, topical sunscreens. Within this scenario increased environmental exposure can be expected but data on the ecotoxicological evaluation of nanoparticles are still scarce. The main purpose of this work was the evaluation of effects of TiO2 nanoparticles in several organisms, covering different trophic levels, using a battery of aquatic assays. Using fish as a vertebrate model organism tissue histological and ultrastructural observations and the stress enzyme activity were also studied. TiO2 nanoparticles (Aeroxide® P25), two phase composition of anatase (65%) and rutile (35%) with an average particle size value of 27.6±11 nm were used. Results on the EC50 for the tested aquatic organisms showed toxicity for the bacteria, the algae and the crustacean, being the algae the most sensitive tested organism. The aquatic plant Lemna minor showed no effect on growth. The fish Carassius auratus showed no effect on a 21 day survival test, though at a biochemical level the cytosolic Glutathione-S-Transferase total activity, in intestines, showed a general significant decrease (p&amp;lt;0.05) after 14 days of exposure for all tested concentrations. The presence of TiO2 nanoparticles aggregates were observed in the intestine lumen but their internalization by intestine cells could not be confirmed.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">5</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Echeverria, C.</style></author><author><style face="normal" font="default" size="100%">P. Soares</style></author><author><style face="normal" font="default" size="100%">A. Robalo</style></author><author><style face="normal" font="default" size="100%">L. Pereira</style></author><author><style face="normal" font="default" size="100%">Novo, CMM</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">Borges, J. P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">One-pot synthesis of dual-stimuli responsive hybrid PNIPAAm-chitosan microgels</style></title><secondary-title><style face="normal" font="default" size="100%">Mater. Des</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.matdes.2015.07.170</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">86</style></volume><pages><style face="normal" font="default" size="100%">745-751</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The incorporation of magnetic nanoparticles into poly(N-isopropylacrylamide) (PNIPAAm) and chitosan microgels gives rise to hybrid systems that combine the microgels swelling capacity with the interesting features presented in magnetic nanoparticles. The presence of chitosan that act as surfactant for magnetic nanoparticles provides a simplistic approach which allows the encapsulation of magnetic nanoparticles without any previous surface modification. Spherical and highly monodisperse microgels with diameters in the range of 200 to 500 nm were obtained. The encapsulation of magnetic nanoparticles in the polymer matrix was confirmed by high resolution Scanning Electron Microscopy in transmission mode. Volume phase transition of the microgels was accessed by Dynamic Light Scattering measurements. It was observed that the thermosensitivity of the PNIPAM microgels still persists in the hybrid microgels; however, the swelling ability is compromised in the microgels with highest chitosan content. The heating performance of the hybrid magnetic microgels, when submitted to an alternating magnetic field, was also evaluated demonstrating the potential of these systems for hyperthermia treatments.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">J. Contreras</style></author><author><style face="normal" font="default" size="100%">J. Tornero</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">Gomes, L.</style></author><author><style face="normal" font="default" size="100%">E. Fortunato</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Simulated and Real Sheet-of-Light 3D Object Scanning Using a-Si:H Thin Film PSD Arrays</style></title><secondary-title><style face="normal" font="default" size="100%">Sensors</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><volume><style face="normal" font="default" size="100%">15</style></volume><pages><style face="normal" font="default" size="100%">29938-29949</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;A MATLAB/SIMULINK software simulation model (structure and component blocks) has been constructed in order to view and analyze the potential of the PSD (Position Sensitive Detector) array concept technology before it is further expanded or developed. This simulation allows changing most of its parameters, such as the number of elements in the PSD array, the direction of vision, the viewing/scanning angle, the object rotation, translation, sample/scan/simulation time, etc. In addition, results show for the first time the possibility of scanning an object in 3D when using an a-Si:H thin film 128 PSD array sensor and hardware/software system. Moreover, this sensor technology is able to perform these scans and render 3D objects at high speeds and high resolutions when using a sheet-of-light laser within a triangulation platform. As shown by the simulation, a substantial enhancement in 3D object profile image quality and realism can be achieved by increasing the number of elements of the PSD array sensor as well as by achieving an optimal position response from the sensor since clearly the definition of the 3D object profile depends on the correct and accurate position response of each detector as well as on the size of the PSD array.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">12</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. Ferreira</style></author><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">A. Nogueira</style></author><author><style face="normal" font="default" size="100%">Rodrigues, A.</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">SnO2 thin Film Oxides Produced by rf Sputtering for Transparent Thermoelectric Devices</style></title><secondary-title><style face="normal" font="default" size="100%">Mater. Today-Proc</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.matpr.2015.05.090</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">2</style></volume><pages><style face="normal" font="default" size="100%">647-653</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The combination of high transparency and good thermoelectric properties of SnO2 can open new field of applications for the thin film thermoelectric materials. Here we report on SnO2 thin films with transmittance above 90%, resistivity bellow 10-3 Ωm and a Power Factor around 10-4 W/m.K2, for a Seebeck of -255 μV/K, at room temperature. The effect of film thickness and post-deposition annealing on the thermoelectric properties were analysed. The performances of a single layer thermoelectric device are also presented.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">2</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Soares, PIP</style></author><author><style face="normal" font="default" size="100%">F. Lochte</style></author><author><style face="normal" font="default" size="100%">Echeverria, C.</style></author><author><style face="normal" font="default" size="100%">L. C. J. Pereira</style></author><author><style face="normal" font="default" size="100%">J. T. Coutinho</style></author><author><style face="normal" font="default" size="100%">Ferreira, IMM</style></author><author><style face="normal" font="default" size="100%">Novo, CMM</style></author><author><style face="normal" font="default" size="100%">J. P. M. R. Borges</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Thermal and magnetic properties of iron oxide colloids: influence of surfactants</style></title><secondary-title><style face="normal" font="default" size="100%">Nanotechnology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2015</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1088/0957-4484/26/42/425704</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">26</style></volume><pages><style face="normal" font="default" size="100%">425704</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Iron oxide nanoparticles (NPs) have been extensively studied in the last few decades for several biomedical applications such as magnetic resonance imaging, magnetic drug delivery and hyperthermia. Hyperthermia is a technique used for cancer treatment which consists in inducing a temperature of about 41–45 °C in cancerous cells through magnetic NPs and an external magnetic field. Chemical precipitation was used to produce iron oxide NPs 9 nm in size coated with oleic acid and trisodium citrate. The influence of both stabilizers on the heating ability and in vitro cytotoxicity of the produced iron oxide NPs was assessed. Physicochemical characterization of the samples confirmed that the used surfactants do not change the particles' average size and that the presence of the surfactants has a strong effect on both the magnetic properties and the heating ability. The heating ability of Fe3O4 NPs shows a proportional increase with the increase of iron concentration, although when coated with trisodium citrate or oleic acid the heating ability decreases. Cytotoxicity assays demonstrated that both pristine and trisodium citrate Fe3O4 samples do not reduce cell viability. However, oleic acid Fe3O4 strongly reduces cell viability, more drastically in the SaOs-2 cell line. The produced iron oxide NPs are suitable for cancer hyperthermia treatment and the use of a surfactant brings great advantages concerning the dispersion of NPs, also allowing better control of the hyperthermia temperature.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">42</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">S. Morawiec</style></author><author><style face="normal" font="default" size="100%">M. J. Mendes</style></author><author><style face="normal" font="default" size="100%">S. A. Filonovich</style></author><author><style face="normal" font="default" size="100%">T. Mateus</style></author><author><style face="normal" font="default" size="100%">S. Mirabella</style></author><author><style face="normal" font="default" size="100%">Águas, H.</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">F. Simone</style></author><author><style face="normal" font="default" size="100%">E. Fortunato</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">F. Priolo</style></author><author><style face="normal" font="default" size="100%">I. Crupi</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Photocurrent enhancement in thin a-Si: H solar cells via plasmonic light trapping</style></title><secondary-title><style face="normal" font="default" size="100%">CLEO: Science and Innovations</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year><pub-dates><date><style  face="normal" font="default" size="100%">8-13 Jun</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1364/CLEO_SI.2014.STh3I.4</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Optical Society of America</style></publisher><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Photocurrent enhancement in thin a-Si:H solar cells due to the plasmonic light trapping is investigated, and correlated with the morphology and the optical properties of the self-assembled silver nanoparticles incorporated in the cells’ back reflector.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Gaspar, D</style></author><author><style face="normal" font="default" size="100%">A. C. Pimentel</style></author><author><style face="normal" font="default" size="100%">M. J. Mendes</style></author><author><style face="normal" font="default" size="100%">T. Mateus</style></author><author><style face="normal" font="default" size="100%">B. P. Falcão</style></author><author><style face="normal" font="default" size="100%">J. P. Leitão</style></author><author><style face="normal" font="default" size="100%">J. Soares</style></author><author><style face="normal" font="default" size="100%">A. Araújo</style></author><author><style face="normal" font="default" size="100%">A. Vicente</style></author><author><style face="normal" font="default" size="100%">S. A. Filonovich</style></author><author><style face="normal" font="default" size="100%">Águas, H.</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Ag and Sn Nanoparticles to Enhance the Near-Infrared Absorbance of a-Si:H Thin Films</style></title><secondary-title><style face="normal" font="default" size="100%">Plasmonics</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1007/s11468-014-9709-0</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">9</style></volume><pages><style face="normal" font="default" size="100%">1015–1023</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Silver (Ag) and tin (Sn) nanoparticles (NPs) were deposited by thermal evaporation onto heated glass substrates with a good control of size, shape and surface coverage. This process has the advantage of allowing the fabrication of thin-film solar cells with incorporated NPs without vacuum break, since it does not require chemical processes or post-deposition annealing. The X-ray diffraction, TEM and SEM properties are correlated with optical measurements and amorphous silicon hydrogenated (a-Si:H) films deposited on top of both types of NPs show enhanced absorbance in the near-infrared. The results are interpreted with electromagnetic modelling performed with Mie theory. A broad emission in the near-infrared region is considerably increased after covering the Ag nanoparticles with an a-Si:H layer. Such effect may be of interest for possible down-conversion mechanisms in novel photovoltaic devices.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">5</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">N. Neves</style></author><author><style face="normal" font="default" size="100%">A. Lagoa</style></author><author><style face="normal" font="default" size="100%">J. Calado</style></author><author><style face="normal" font="default" size="100%">A.M. Botelho do Rego</style></author><author><style face="normal" font="default" size="100%">E. Fortunato</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Al-doped ZnO nanostructured powders by emulsion detonation synthesis – Improving materials for high quality sputtering targets manufacturing</style></title><secondary-title><style face="normal" font="default" size="100%">J. Eur. Ceram. Soc.</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.jeurceramsoc.2014.02.019</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">34</style></volume><pages><style face="normal" font="default" size="100%">2325-2338</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Emulsion detonation synthesis method was used to produce undoped and Al-doped ZnO nanostructured powders (0.5–2.0 wt.% Al2O3). The synthesized powders present a controlled composition and a morphology which is independent on the doping level. The XRD results indicate wurtzite as the single phase for undoped ZnO and the presence of gahnite as secondary phase for Al-doped ZnO powders. The sintering behavior of each powder was studied based on their linear shrinkage and shrinkage rate curves, showing the high sinterability of the powders. Activation energies for densification in the earlier stage were calculated for all compositions and possible sintering mechanisms are suggested depending on the doping level. The high chemical homogeneity and sinterability and the lower electrical resistivity of the bulk Al-doped sintered samples demonstrates the feasibility of emulsion detonation synthesis for the production of high quality Al-doped ZnO powders to be used in ceramic sputtering targets manufacture.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">10</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Soares, PIP</style></author><author><style face="normal" font="default" size="100%">Ferreira, IMM</style></author><author><style face="normal" font="default" size="100%">J. P. M. R. Borges</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Application of hyperthermia for cancer treatment: recent patents review</style></title><secondary-title><style face="normal" font="default" size="100%">Topics in anti-cancer research</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://books.google.pt/books?hl=pt-PT&amp;lr=&amp;id=G0dsDgAAQBAJ&amp;oi=fnd&amp;pg=PA342&amp;ots=P3IVepy-hG&amp;sig=0iYJm6VAyu4nE-Kqc0dnst1e8gs&amp;redir_esc=y#v=onepage&amp;q&amp;f=false</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Bentham Science Publishers</style></publisher><pub-location><style face="normal" font="default" size="100%">USA</style></pub-location><pages><style face="normal" font="default" size="100%">342-383</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Cancer is one of the main causes of death in the world and its incidence increases every&lt;br /&gt;
day. Current treatments are insufficient and present many breaches. Hyperthermia is an old&lt;br /&gt;
concept and was early established as a cancer treatment option, mainly in superficial&lt;br /&gt;
cancers. More recently, the concept of intracellular hyperthermia emerged wherein magnetic&lt;br /&gt;
particles are concentrated at the tumor site and remotely heated using an applied magnetic&lt;br /&gt;
field to achieve hyperthermic temperatures (42-45ºC). Many patents have been registered in&lt;br /&gt;
this area since the year 2000. This chapter presents the most relevant information organized&lt;br /&gt;
in two main categories according to the use or not of nanotechnology.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">S. Morawiec</style></author><author><style face="normal" font="default" size="100%">M. J. Mendes</style></author><author><style face="normal" font="default" size="100%">S. A. Filonovich</style></author><author><style face="normal" font="default" size="100%">T. Mateus</style></author><author><style face="normal" font="default" size="100%">S. Mirabella</style></author><author><style face="normal" font="default" size="100%">Águas, H.</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author><author><style face="normal" font="default" size="100%">F. Simone</style></author><author><style face="normal" font="default" size="100%">E. Fortunato</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">F. Priolo</style></author><author><style face="normal" font="default" size="100%">I. Crupi</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Broadband photocurrent enhancement in a-Si:H solar cells with plasmonic back reflectors</style></title><secondary-title><style face="normal" font="default" size="100%">Opt. Express</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1364/OE.22.0A1059</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">22</style></volume><pages><style face="normal" font="default" size="100%">A1059-A1070</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Plasmonic light trapping in thin film silicon solar cells is a promising route to achieve high efficiency with reduced volumes of semiconductor material. In this paper, we study the enhancement in the opto-electronic performance of thin a-Si:H solar cells due to the light scattering effects of plasmonic back reflectors (PBRs), composed of self-assembled silver nanoparticles (NPs), incorporated on the cells’ rear contact. The optical properties of the PBRs are investigated according to the morphology of the NPs, which can be tuned by the fabrication parameters. By analyzing sets of solar cells built on distinct PBRs we show that the photocurrent enhancement achieved in the a-Si:H light trapping window (600 – 800 nm) stays in linear relation with the PBRs diffuse reflection. The best-performing PBRs allow a pronounced broadband photocurrent enhancement in the cells which is attributed not only to the plasmon-assisted light scattering from the NPs but also to the front surface texture originated from the conformal growth of the cell material over the particles. As a result, remarkably high values of Jsc and Voc are achieved in comparison to those previously reported in the literature for the same type of devices.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">104</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">J. Contreras</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">P. Wojcik</style></author><author><style face="normal" font="default" size="100%">S. Filonovich</style></author><author><style face="normal" font="default" size="100%">Águas, H.</style></author><author><style face="normal" font="default" size="100%">Gomes, L.</style></author><author><style face="normal" font="default" size="100%">E. Fortunato</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Color sensing ability of an amorphous silicon position sensitive detector array system</style></title><secondary-title><style face="normal" font="default" size="100%">Sensor Actuat. A-Phys.</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.sna.2013.10.017</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">205</style></volume><pages><style face="normal" font="default" size="100%">26-37</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The color sensing ability of a data acquisition prototype system integrating a 32 linear array of 1D amorphous silicon position sensitive detectors (PSD) was analyzed. Besides being used to reproduce a 3D profile of highly reflective surfaces, here we show that it can also differentiate primary red, green, blue (RGB) and derived colors. This was realized by using an incident beam with a RGB color combination and adequate integration times taking into account that a color surface mostly reflects its corresponding color. A mean colorimetric error of 25.7 was obtained. Overall, we show that color detection is possible via the use of this sensor array system, composed by a simpler amorphous silicon pin junction.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Soares, PIP</style></author><author><style face="normal" font="default" size="100%">A. M. R. Alves</style></author><author><style face="normal" font="default" size="100%">L. C. J. Pereira</style></author><author><style face="normal" font="default" size="100%">J. T. Coutinho</style></author><author><style face="normal" font="default" size="100%">Ferreira, IMM</style></author><author><style face="normal" font="default" size="100%">Novo, CMM</style></author><author><style face="normal" font="default" size="100%">J. P. M. R. Borges</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of surfactants on the magnetic properties of iron oxide colloids</style></title><secondary-title><style face="normal" font="default" size="100%">J. Colloid Interface Sci.</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1016/j.jcis.2013.12.045</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">419</style></volume><pages><style face="normal" font="default" size="100%">46-51</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Iron oxide nanoparticles are having been extensively investigated for several biomedical applications such as hyperthermia and magnetic resonance imaging. However, one of the biggest problems of these nanoparticles is their aggregation.&lt;/p&gt;
&lt;p&gt;Taking this into account, in this study the influence of three different surfactants (oleic acid, sodium citrate and Triton X-100) each one with various concentrations in the colloidal solutions stability was analyzed by using a rapid and facile method, the variation in the optical absorbance along time.&lt;/p&gt;
&lt;p&gt;The synthesized nanoparticles through chemical precipitation showed an average size of 9 nm and a narrow size distribution. X-ray diffraction pattern and Fourier Transform Infrared analysis confirmed the presence of pure magnetite. SQUID measurements showed superparamagnetic properties with a blocking temperature around 155 K. In addition it was observed that neither sodium citrate nor Triton X-100 influences the magnetic properties of the nanoparticles. On the other hand, oleic acid in a concentration of 64 mM decreases the saturation magnetization from 67 to 45 emu/g. Oleic acid exhibits a good performance as stabilizer of the iron oxide nanoparticles in an aqueous solution for 24 h, for concentrations that lead to the formation of the double layer.&lt;/p&gt;
</style></abstract></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">J. R. Santos</style></author><author><style face="normal" font="default" size="100%">A. Nogueira</style></author><author><style face="normal" font="default" size="100%">F. Wyczisk</style></author><author><style face="normal" font="default" size="100%">L. Divay</style></author><author><style face="normal" font="default" size="100%">S. Reparaz</style></author><author><style face="normal" font="default" size="100%">F. Alzina</style></author><author><style face="normal" font="default" size="100%">C. M. S. Torres</style></author><author><style face="normal" font="default" size="100%">J. Cuffe</style></author><author><style face="normal" font="default" size="100%">F. Montemor</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Nanostructured p-type Cr/V2O5 thin films with boosted thermoelectric properties</style></title><secondary-title><style face="normal" font="default" size="100%">J. Mater. Chem. A</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1039/C3TA15168A</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">2</style></volume><pages><style face="normal" font="default" size="100%">6456-6462</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The urgent need for non-toxic and abundant thermoelectric materials has become a significant motivation to improve the figures of merit of metal oxides in order to remove the barrier towards their widespread use for thermoelectric applications. Here we show the influence of a Cr layer in boosting the thermoelectric properties of vanadium pentoxide (V2O5) thin films, deposited by thermal evaporation and annealed at 500 °C. The Cr to V2O5 thickness ratio controls the morphological and thermoelectric properties of the thin films produced. The optimized Seebeck coefficient and power factor values at room temperature are +50 μV K−1 and 7.9 × 10−4 W m−1 K−2, respectively. The nanograin structure of the films is responsible for an improvement in the electrical conductivity up to 3 × 105 (Ω m)−1 with a typical thermal conductivity of 1.5 W m−1 K−1. These results combine to yield promising p-type thermoeletric CrV2O5 thin films with a ZT of 0.16 at room temperature.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">18</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Loureiro, J.</style></author><author><style face="normal" font="default" size="100%">N. Neves</style></author><author><style face="normal" font="default" size="100%">R. Barros</style></author><author><style face="normal" font="default" size="100%">T. Mateus</style></author><author><style face="normal" font="default" size="100%">R. Santos</style></author><author><style face="normal" font="default" size="100%">S. Filonovich</style></author><author><style face="normal" font="default" size="100%">S. Reparaz</style></author><author><style face="normal" font="default" size="100%">C. M. S. Torres</style></author><author><style face="normal" font="default" size="100%">F. Wyczisk</style></author><author><style face="normal" font="default" size="100%">L. Divay</style></author><author><style face="normal" font="default" size="100%">R. Martins</style></author><author><style face="normal" font="default" size="100%">Ferreira, I.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Transparent aluminium zinc oxide thin films with enhanced thermoelectric properties</style></title><secondary-title><style face="normal" font="default" size="100%">J. Mater. Chem. A</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://doi.org/10.1039/C3TA15052F</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">2</style></volume><pages><style face="normal" font="default" size="100%">6649-6655</style></pages><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Improved thermoelectric properties of Aluminum Zinc Oxide (AZO) thin films deposited by radio frequency (RF) and pulsed Direct Current (DC) magnetron sputtering at room temperature are reported. In both techniques films were deposited using sintered and non-sintered targets produced from nano-powders. It is confirmed that both the Al doping concentration and film thickness control the thermoelectric, optical and structural properties of these films. Seebeck coefficients up to −134 μV K−1 and electrical conductivities up to 4 × 104 (Ω m)−1 lead to power factors up to 4 × 10−4 W mK−2, which is above the state-of-the-art for similar materials, almost by a factor of three. The thermoelectric I–V response of an optimized AZO element with a planar geometry was measured and a maximum power output of 2.3 nW, for a temperature gradient of 20 K near room temperature, was obtained. Moreover, the low thermal conductivity (&amp;lt;1.19 W mK−1) yields a ZT value above 0.1. This is an important result as it is at least three times higher than the ZT found in the literature for AZO, at room temperature, opening new doors for applications of this inexpensive, abundant and environmental friendly material, in a new era of thermoelectric devices.&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">18</style></issue></record></records></xml>