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Photoelectrochemical deposition of ZnO films via nitrate ions reduction in the presence of thiourea on p-type Cu(In,Ga)Se2 semiconducting electrodes for photovoltaic applications

  • S. Gallanti
  • , E. Chassaing
  • , M. Bouttemy
  • , A. Etcheberry
  • , D. Lincot
  • , N. Naghavi
  • Centre national de la recherche scientifique
  • Institut Photovoltaïque d'Ile-de-France
  • Institut Lavoisier de Versailles

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract: This work describes the electrodeposition of ZnO layers on p-type copper indium gallium diselenide [Cu(InGa)Se2] substrates via nitrate ions reduction in the presence of thiourea. The substrate stability domain has been determined by means of cyclic voltammetry in acidic medium. The optimal deposition range has been studied in zinc nitrate electrolyte containing concentrations of thiourea between 0 and 1.0 M. Zinc oxide films have been photoelectrodeposited in a potential range between − 0.95 and − 1.1 V/MSE depending on thiourea concentration. The morphology and composition analyses by scanning electron microscopy, X-ray diffraction spectroscopy, and energy dispersive X-ray spectroscopy have highlighted that the deposited films are composed of well-crystallized ZnO presenting wurtzite-type structure with no significant sulfur incorporation.

Original languageEnglish
Pages (from-to)1283-1291
Number of pages9
JournalJournal of Applied Electrochemistry
Volume47
Issue number12
DOIs
Publication statusPublished - 1 Dec 2017

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Cu(In,Ga)Se
  • Nanoporous films
  • Photoelectrodeposited ZnO
  • Thiourea
  • XPS analysis

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