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Browsing by Subject "ZnO"

Now showing items 1-19 of 19

Análisis y diseño de un dispositivo optoelectrónico basado en capas finas de CuO/ZnO obtenido por electrodeposición

Denet, Corentin (Universitat Politècnica de València, 2021-03-05)

[ES] Durante este estudio, se diseñó una célula solar. Se diseñó una célula de heterojunction de óxido de zinc y óxido de cobre electrodepositado químicamente. De hecho, se descubrió que dicha célula tenía excelentes y ...
Desarrollo de nanoestructuras de ZnO mediante anodizado electroquímico en diferentes condiciones para su aplicación en el área energética

Batista Grau, Patricia (Universitat Politècnica de València, 2021-09-02)

[ES] La presente Tesis Doctoral se centra en el desarrollo de nanoestructuras de óxido de zinc (ZnO) mediante anodizado electroquímico en diferentes condiciones para su aplicación en el área energética, en particular, en ...
Effect of combined chemical and electrochemical reduction of graphene oxide on morphology and structure of electrodeposited ZnO

Cembrero Cil, Jesús; Pruna, Alina Iuliana; Pullini, Daniele; Busquets Mataix, David Jerónimo (Elsevier, 2014-08)

This study reports a novel method of tailoring the properties of ZnO nanostructures by electrodeposition in presence of chemically-reduced graphene oxide (rGO). The coupled electrochemical and chemical reduction of graphene ...
Effect of type and amount of alumina as dopant over the densification and the electrical properties of zinc oxide ceramic electrodes

Sánchez-Rivera, M.J.; Orts, M.J.; Pérez-Herranz, Valentín; Mestre, S. (Elsevier, 2021-01)

[EN] Aluminum-doped zinc oxide (AZO) electrodes can be a good alternative to replace the expensive electrodes (Ti, ITO, FTO, etc.), which are used in the electrooxidation process to remove refractory and emergent contaminants ...
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 ...
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 de películas de ZnO dopado con cloro para dispositivos fotovolataicos

Cembrero Coca, Paula (Universitat Politècnica de València, 2016-03-01)

El objetivo de este estudio es la preparación y caracterización de películas delgadas de ZnO tipo n dopado con cloro mediante la técnica de electrodeposición. El ZnO es utilizado para aplicaciones optoelectrónicas y en ...
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 ...
Evaluación de la liberación de sustancia activa de nanoportadores de fármacos basados en óxido de zinc y óxido de titanio (IV)

Rojas Juan, Eduardo (Universitat Politècnica de València, 2020-10-13)

[ES] La importancia de las nanopartículas de ZnO y TiO2 está aumentando actualmente debido a sus aplicaciones biomédicas. Una de sus aplicaciones más importantes es su uso como portadores de medicamentos en los sistemas ...
Flexible CuInSe2 photovoltaic cells fabricated by non-vacuum techniques

Samantilleke, Anura Priyajith; Sahal, Mustapha; Ortiz Moya, Laura; Cerqueira, M.F.; Marí Soucase, Bernabé (Elsevier, 2011-08)

In this work, CuInSe 2 based flexible photovoltaic cells have been fabricated completely using non-vacuum low-cost techniques. Thin films were deposited on molybdenum thin foil substrates by electrodeposition using a ...
High-Efficiency Electrodeposition of Large Scale ZnO Nanorod Arrays for Thin Transparent Electrodes

Pullini, D.; Pruna, Alina Iuliana; Zanin, Stefano; Busquets Mataix, David Jerónimo (Electrochemical Society, 2012)

In the present work an effective technique to synthesize large-scale c-axis oriented ZnO nanorod (NR) arrays is presented. The manuscript reports a single-step cathodic electrodeposition, either in aqueous and organic ...
Improving the properties of Cu2O/ZnO heterojunction for photovoltaic application by graphene oxide

Rosas-Laverde, Nelly Maria; Pruna, Alina Iuliana; Busquets Mataix, David Jeronimo; Marí, B.; Cembrero Cil, Jesús; Salas Vicente, Fidel; Orozco-Messana, Javier (Elsevier, 2018)

[EN] A p-Cu2O/n-ZnO heterojunction grown on fluorine-doped tin oxide (FTO) substrate is reported by a combined low-cost approach employing tape-casting of ZnO layer and subsequent electrochemical deposition of Cu2O layer. ...
Lab-on-a-chip based integrated hybrid technologies for biofluids manipulation and characterization

ROCHA GASO, MARÍA ISABEL; Renaudin, A.; Sarry, F.; Beyssen, D. (Elsevier, 2015)

[EN] The goal of this work is to develop an original and high performance hybrid lab-on-a-chip, coupling actuators and biosensors for the active control and broad range characterization of biofluids samples. These biofluids ...
Nanostructured hybrid ZnO thin films for energy conversion

Moya Forero, Mónica Mercedes; ANURA SAMANTILLEKE; Mollar García, Miguel Alfonso; Marí Soucase, Bernabé (SpringerOpen, 2011)

We report on hybrid films based on ZnO/organic dye prepared by electrodeposition using tetrasulfonated copper phthalocyanines (TS-CuPc) and Eosin-Y (EoY). Both the morphology and porosity of hybrid ZnO films are highly ...
Performance of graphene oxide-modified electrodeposited ZnO/Cu2O heterojunction solar cells

Rosas-Laverde, Nelly Maria; Pruna, Alina Iuliana; Cembrero Gil, Jesús; Orozco-Messana, Javier; Manjón, Francisco-Javier (Elsevier, 2019-12)

[EN] We report the fabrication of ZnO/Cu2O heterojunction solar cells by means of the electrodeposition technique. The effect of electrolyte medium for the ZnO deposition, annealing treatment and interface modification ...
Seed-free electrodeposition of ZnO bi-pods on electrophoretically-reduced graphene oxide for optoelectronic applications

Pruna, Alina Iuliana; Reyes Tolosa, María Dolores; Pullini, D.; Hernández Fenollosa, María de los Ángeles; Busquets Mataix, David Jerónimo (Elsevier, 2015-03)

[EN] Large areas of reduced graphene oxide (rGO) films were obtained by electrophoretic deposition onto insulating glass substrate. ZnO nanostructures were directly grown on the rGO films by single-step electrodeposition ...
Sintesis y caracterización de óxidos nanoestructurados de TiO2-ZnO para su uso como fotocatalizadores

Villanueva Pascual, Matilde (Universitat Politècnica de València, 2019-07-02)

[ES] La creciente demanda energética y la progresiva reducción de la disponibilidad de recursos fósiles hacen necesaria la exploración de fuentes de energía renovables y limpias que sustituyan a las actuales y que garanticen ...
Synthesis of ZnO through biomimetization of eggshell membranes using different precursors and its characterization

Camaratta, Rubens; Orozco-Messana, Javier; Pérez Bergmann, Carlos (Elsevier, 2015-12-18)

In this work, nanostructured ZnO powders were fabricated by simply submerging eggshell membranes (ESMs) in a precursor solution. The biomimetization of the ESMs was studied with 0.25M aqueous solutions of three different ...