One-step electrodeposition of ZnO2 -ZnS thin-film mixtures onto n-InP(111) and n-InP(100) substrates

R. Henríquez, H. Gómez, PAULA CAROLINA GREZ MORENO, D. Lincot, M. Froment, E. A. Dalchiele, G. Riveros

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Abstract

Electrodeposition of ZnS- ZnO2 film mixtures onto monocrystalline n-InP substrates through the simultaneous electroreduction of dioxygen and sulfur in the presence of zinc ions in dimethyl sulfoxide solution is reported. The films were thick, compact, transparent, and with a flat morphology. The mixture of phases was confirmed by the analysis of the reflection high-energy electron diffraction patterns. The optical absorption gave an Eg value of 3.47 eV, which agrees with the presence of ZnO in the mixture. The properties of the films suggest it might be a good alternative to replace the CdS window layer in Cu(In,Ga) Se2 -based photovoltaic devices.

Original languageEnglish
Pages (from-to)134-138
Number of pages5
JournalElectrochemical and Solid-State Letters
Volume10
Issue number11
DOIs
StatePublished - 2007
Externally publishedYes

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