Electrophoretic Deposition
Mostrando 1-12 de 23 artigos, teses e dissertações.
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1. Study of electrophoretic deposition of ZnO photoanodes on fluorine-doped tin oxide (FTO) glass for dye-sensitized solar cells (DSSCs)
Abstract Semiconductors, such as zinc oxide (ZnO), are used in different scientific fields, including energy. This study applied ZnO thin films on a photovoltaic cell, specifically a dye-sensitized solar cell (DSSC). ZnO was used in solar cells due to its characteristics such as electronic mobility. Electrophoretic deposition (EPD) is an efficient method to
Cerâmica. Publicado em: 2022
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2. Fabricación de recubrimientos compuestos de Bioglass®/poli(ɛ-capro-lactona) obtenidos por co-deposición electroforética sobre acero inoxidable
ABSTRACT In this work two kinds of "soft coatings" were obtained by co-electrophoretic deposition technique (co-EPD). In all cases a bioglass was used as inorganic phase, and a commercial poly(ɛ-caprolactone), (PCLC), and an anionic synthesized PCL modified with maleic anhydride (PCLS) were used as organic phase. To ensure an adequate coating over the metal
Matéria (Rio J.). Publicado em: 19/07/2018
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3. Electrophoretic fabrication of ZnO/ZnO-CuO composite for ammonia gas sensing
Nanostructured deposits of ammonia (NH3) sensitive ZnO and ZnO-CuO composites were fabricated on a graphite electrode via electrophoretic deposition (EPD). Deposition was done by holding the applied voltage and deposition time constant at room temperature. Testing of sensing properties of the deposits was conducted using Wheatstone bridge circuit. SEM microg
Mat. Res.. Publicado em: 04/07/2014
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4. Electrophoretic deposition of BaTi0.85Zr0.15O3 nanopowders
The present study reports the results of thick films (20-130 µm) produced through electrophoretic deposition of BaTi0.85Zr0.15O3 (BTZ) nanometric powders synthesized by the Pechini's method. The BTZ powderscalcined at 600°C/2h presented a single crystalline phase with an average particle size of ~20nm. To thick films deposition, a stable suspension of acet
Mat. Res.. Publicado em: 29/07/2013
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5. Formation of TiO2 photoanodes by simultaneous electrophoretic deposition of anatase and rutile particles for photoassisted electrolytic copper ions removal
The influence of Anatasa/Rutile ratio on TiO2 films, grown by electrophoretic deposition was studied in the photoassisted electrolytic copper ions removal from cyanide solutions. The proper dispersant dosage allowing the simultaneous electrophoretic deposition of Anatase and Rutile was chosen based on electrokinetic measurements; evidenced by the XRD spectra
Química Nova. Publicado em: 2012
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6. Preparação e caracterização eletroquímica de filmes finos de nanotubos de carbono depositados sobre ITO / Preparation and electrochemical characterization of thin films of carbon nanotubes deposited on ITO
In this work were carried out some studies on electrochemical properties of carbon nanotubes (CNT) thin films deposited on ITO (Indium Tin Oxide) electrodes by electrophoretic deposition (EPD). Capacitance and electrochemical area measurements were made with films of three types of nanotubes with different dimensions and previous treatments. All measurements
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/07/2011
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7. Generación de estados superficiales durante la formación electroforética catódica de películas de TiO2 sobre ito
In the present work TiO2 films were formed over Indium Tin Oxide (ITO) employing cathodic electrophoretic deposition (Cathodic-EPD) and Dr. Blade Technique. The films were characterized by electrochemical techniques in order to compare their electronic properties; as well as, their photoelectrochemical behavior. The electrochemical performance showed by the
Química Nova. Publicado em: 2011
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8. Comportamento eletroquímico de nanotubos de carbono suportados sobre diferentes substratos / Electrochemical behavior of carbon nanotubes supported on different substrates
Nanotubos de carbono (CNT- carbon nanotubes) são materiais com propriedades físicas bastante singulares e que têm sido amplamente estudados. Esses materiais podem ser usados para produção de catalisadores, supercapacitores, sensores de gás e sensores biológicos. Entre as propriedades interessantes dos nanotubos de carbono podemos destacar o comportame
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/07/2010
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9. Deposição eletroforética de nanotubos de carbono / Electrophoretic deposition of carbon nanotubes
Neste trabalho, foram preparados filmes de Nanotubos de Carbono (CNT Carbon Nanotubes) sobre substratos de aço inox, alumínio, Nafion e silício utilizando a técnica de Deposição Eletroforética (EPD Electrophoretic Deposition). Os filmes produzidos foram caracterizados através de Microscopia Eletrônica de Varredura (MEV). Em todas as deposições rea
Publicado em: 2009
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10. Electrophoretic deposition of Ba(Ti0.85Zr0.15)O3 nanoparticles to fabrication of laser sintered ferroelectrics thick films / Deposição de nanopartículas de Ba(Ti0.85Zr0.15)O3 pela técnica de eletroforese para fabricação de filmes espessos ferroelétricos sinterizados a laser
The goals of this work were the implantation and optimization of the technique of sintering by laser scan of thick films, the kinetic study of the process and the evaluation of the physical properties of the laser sintered compound BaTi0.85Zr0.15O3 (BTZ), compared to thick films sintered in conventional furnace. Nanocrystalline powders of BTZ were for the fi
Publicado em: 2008
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11. Estudo da proteção à corrosão pelo uso de polímeros condutores / Study of corrosion protection using conducting polymers
As propriedades protetoras à corrosão dos polímeros condutores, especialmente da poli(anilina) (PANI), têm sido amplamente explorada. Entretanto, o mecanismo pelo qual esta proteção é efetuada ainda não foi completamente elucidado. Evidências mostram que a habilidade protetora à corrosão da PANI está ligada à formação de um par galvânico entr
Publicado em: 2008
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12. Synthesis and characterization of copper hexacyanoferate nanoparticles and its application in Glucose Biosensor and electrochromics electrodes / Síntese e caracterização de nanopartículas de hexacianoferrato de cobre e sua aplicação em biossensores de glicose e eletrodos eletrocrômicos
In this work, the sonochemical synthesis and the characterization of copper hexacyanoferrate nanoparticles for producing ultra thin films with controlled thickness is reported. Due to its nanometric structure and the excess of superficial negative charges, the proposed immobilization methods were the electrostatic deposition layer by layer (LBL), using the P
Publicado em: 2007