Journal
THIN SOLID FILMS
Volume 403, Issue -, Pages 102-106Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0040-6090(01)01536-X
Keywords
chemical bath deposition; ZnS films; physical properties
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ZnS thin films that are used as buffer layers in thin film solar cells are usually deposited by chemical bath deposition using hydrazine hydrate as a complementary complexing agent. This material is, however, highly hazardous and its replacement by a less-hazardous material is desirable. In this work thin films of zinc sulfide have been deposited using sodium citrate as a novel complementary complexing agent and experiments performed to determine the optimum conditions for producing conformal films, free from pinholes. The layers deposited were found to consist of Zn and S but with a small concentration of O present. Data relating to how the deposition conditions affected the physical properties of the deposited layers are reported. (C) 2002 Elsevier Science B.V. All rights reserved.
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