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Listar por palabra clave "Electrodeposition"

Mostrando ítems 1-20 de 43

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Annealing study of electrodeposited CuInSe2 and CuInS2 thin films

Saber, Suzan; Mollar García, Miguel Alfonso; El Nahrawy, Amany; Khattab, Nagwa; Eid, Ali; Abo Ali, Mohamed; Marí, B. (Springer-Verlag, 2018)

[EN] In this study CuInSe2 and CuInS2 thin films were prepared onto ITO glass substrate using the electrodeposition technique in aqueous solution. The electrodeposited films were characterized by X-ray diffraction (XRD), ...
Desarrollo de nuevos electrodos basados en nanoestructuras híbridas de óxidos metálicos semiconductores para aplicaciones energéticas y medioambientales.

Navarro Gázquez, Pedro José (Universitat Politècnica de València, 2023-07-06)

[ES] La presente Tesis Doctoral se centra en la síntesis de nanoestructuras híbridas de TiO2/ZnO para su utilización como fotoelectrocatalizadores durante la producción de hidrógeno a partir de la rotura de la molécula de ...
Diseño de un sensor de corriente basado en una FBG recubierta de Galfenol por electrodeposición y con elevada magnetostricción

Lopez Hernandez, Luis (Universitat Politècnica de València, 2020-12-11)

[ES] Se diseñara, fabricará y caracterizará un sensor de corriente basado en una fibra óptica con un FBG recubierto de un material magnetoestrictivo. Se dispondrán de las FBG fabricadas por Photonics Research Labs (PRL) ...
Double-template fabrication of three-dimensional porous nickel electrodes for hydrogen evolution reaction

Herraiz-Cardona, Isaac; Ortega Navarro, Emma María; Vázquez-Gómez, Lourdes; Pérez-Herranz, Valentín (PERGAMON-ELSEVIER SCIENCE LTD, 2012-02)

[EN] Three-dimensional (3D) porous nickel structures were fabricated via a double-template electrochemical deposition process. The construction of the foam structures was achieved by means of a hydrogen bubble dynamic ...
Effect of pH, temperature ,conductivity and sediment size on thorium activities along Jucar River (Spain)

Sanchez, F; Rodríguez-Álvarez, M.J. (Springer VerlagAkadémiai Kiadó, 1999-12)

[EN] A study is presented on the distribution of thorium and radium isotopes in sediments, suspended matter and water collected along Jucar river (East of Spain), using low-level alpha-spectrometry. The first aim of this ...
Effective electrochemical n-type doping of ZnO thin films for optoelectronic window applications

Cembrero Coca, Paula; Mollar García, Miguel Alfonso; Singh, K.C.; Marí Soucase, Bernabé (Springer Verlag (Germany), 2013-05)

[EN] An effective n-type doping of ZnO thin films electrochemically synthetized was achieved by varying the chloride ion concentration in the starting electrolyte. The ratio between chloride and zinc cations was varied ...
Effluents from the copper electrorefining as a secondary source of antimony: Role of mass transfer on the recovery by electrodeposition

Hernández-Pérez, Lorena; Carrillo-Abad, Jordi; Pérez-Herranz, Valentín; Montañés, Maria-Teresa; Martí Calatayud, Manuel César (Elsevier, 2023-03-01)

[EN] The limited availability of antimony has increased the need for exploiting alternative sources to its direct extraction from stibnite deposits. Furthermore, introducing recovery techniques in industries where antimony ...
Elaboration and characterization by electrochemical technique CZTS thin layers for photovoltaic application

Toura, Hanae (Universitat Politècnica de València, 2020-11-06)

[EN] The increase in energy needs, particularly in terms of environmental protection, has greatly stimulated research in the field of photovoltaic conversion in recent years. Solar radiation provides an excellent resource ...
Elaboration et caractérisation de couches minces de cuivre, indium, gallium et sélénium (CIGS) pour cellules solaires

Armel Ignace, N'Guessan (Universitat Politècnica de València, 2024-03-17)

[ES] Este proyecto de investigación se centra en el campo de las energías renovables y más concretamente de la energía solar fotovoltaica. La tesis se ha focalizado en el desarrollo de películas delgadas de Cobre-Indio- ...
Electrochemical deposition of ZnO nanostructures, Mechanism of growth

Rayón, E.; Ferrer Giménez, Carlos (American Scientific Publishers, 2010)

[EN] The growth kinetics of ZnO nanorods were studied by means of an electrochemical deposition process on ITO electrodes submerged in an aqueous solution of 5 mM ZCl + 0.1 M KCl at 80 degrees C. The stages of the growth ...
Electrochemical recovery of zinc from the spent pickling baths coming from the hot dip galvanizing industry. Potentiostatic operation

Carrillo Abad, Jorge; García Gabaldón, Montserrat; Ortega Navarro, Emma María; Pérez-Herranz, Valentín (Elsevier, 2011-09)

An electrochemical reactor was developed to recover zinc from the spent pickling solutions coming from the hot dip galvanizing industry. These solutions mainly contain ZnCl2 and FeCl2 in aqueous HCl media. The effect of ...
Electrochemical synthesis of hexagonal hollow ZnO nanostructures

Abellan Rubio, Mª Angeles; Moya Forero, Mónica Mercedes; Marí, B. (2015-03)

[EN] A simple and controllable one-step electrodeposition process is proposed in order to obtain ZnO nanotubes. Zinc oxide thin films were grown on fluorine-doped tin oxide by electrodeposition from an aqueous electrolyte ...
Electrochromic switching of electrodeposited ZnO+Zn5(OH) 8Cl2 films

Rayón Encinas, Emilio; Cembrero Cil, Jesús; Marí Soucase, Bernabé (Elsevier, 2011)

This study reports the effect of optical switching of electrodeposited ZnO + Zn5(OH)8Cl2 films on a gold electrode in a bath of 0.05 M Zn(NO3)2 + 0.1 M KCl. The coating turns black when cathodic polarization is applied yet ...
Electrodeposición y caracterización de nanocolumnas de ZnO

Mirón Raso, Víctor (Universitat Politècnica de València, 2018-11-28)

[ES] El fin último de este trabajo es desarrollar y por lo tanto aprender a realizar las tareas propias de una investigación teórico-experimental en el área de Ciencia de Materiales. Con este objetivo global se ha planteado ...
Electrodeposited chromium-doped alpha-Fe2O3 under various applied potential configurations for solar water splitting

Bouhjar, Feriel; Derbali, Lotfi; Marí, B.; Bessais, Brahim (Elsevier, 2020-06)

[EN] In this work, high quality hematite (alpha-Fe2O3) Chromium (Cr)-doped thin films have been synthesized via electrodeposition technique, on fluorine-doped fin oxide-coated glass substrates, under various applied potential ...
Electrodeposition of CuGaSe2 and CuGaS2 thin films for photovoltaic applications

Ullah, Shafi; Mollar García, Miguel Alfonso; Marí, B. (Springer Verlag (Germany), 2016-08)

Abstract CuGaSe2 and CuGaS2 polycrystalline thin film absorbers were prepared by one-step electrodeposition from an aqueous electrolyte containing CuCl2, GaCl3 and H2SeO3. The pH of the solution was adjusted to 2.3 by ...
Electrodeposition of hybrid ZnO/organic dye films

Moya Forero, Mónica Mercedes; Marí Soucase, Bernabé; Mollar García, Miguel Alfonso (Wiley-VCH Verlag GmbH & Co., 2011)

[EN] The viability of the electrodeposition as a suitable technique for preparing new porous hybrid materials has been tested in this paper. Hybrid ZnO films with two different organic dyes: Eosin-Y and Tetrasulphonated- ...
Electrodeposition of ZnO Thin Films on a Flexible Conductive Substrates

Wang, He; Chen, Yong-Jian; Xu, Feng; Cui, Hai-Ning; Marí Soucase, Bernabé; Mollar García, Miguel Alfonso; Wang, Rong (Trans Tech Publications, 2014-07)

[EN] Since transparent conducting oxides can be as a buttom layer of complex film electrodes, electrodeposition technique may produce ZnO films depending on variety conditions and modified surface layers of substrates ...
Estudio de la recuperación del bismuto presente en los baños agotados de electro-refinado de la industria de obtención de cobre mediante técnicas electroquímicas

Ros Monllor, Sergio de Jesús (Universitat Politècnica de València, 2021-10-13)

[ES] El presente trabajo fin de máster se centra en el estudio de la recuperación mediante electrodeposición del bismuto presente en las disoluciones ácidas resultantes de la regeneración de lechos de intercambio iónico ...
Estudio de la recuperación mediante electrodeposición de antimonio y bismuto presentes en efluentes generados en la industria de obtención de cobre

Muñoz Pérez, Alejandro (Universitat Politècnica de València, 2023-10-03)

[ES] El antimonio y el bismuto son dos compuestos críticos según la UE. La disponibilidad limitada de estos ha aumentado la necesidad de explotar fuentes alternativas a su extracción directa. Además, la industria del cobre ...