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Dendritic CuIn Films Grown by Electroless Deposition

Published online by Cambridge University Press:  01 February 2011

David W Lane ,
Jonathan D Painter ,
Keith D Rogers ,
Ian Forbes ,
Robert W Miles  and
Kathleen M Hynes
David W Lane
Affiliation:
Centre for Materials Science and Engineering, Cranfield University at Shrivenham, Swindon, Wiltshire, SN6 8LA, UK
Jonathan D Painter
Affiliation:
Centre for Materials Science and Engineering, Cranfield University at Shrivenham, Swindon, Wiltshire, SN6 8LA, UK
Keith D Rogers
Affiliation:
Centre for Materials Science and Engineering, Cranfield University at Shrivenham, Swindon, Wiltshire, SN6 8LA, UK
Ian Forbes
Affiliation:
Centre for Materials Science and Engineering, Cranfield University at Shrivenham, Swindon, Wiltshire, SN6 8LA, UK
Robert W Miles
Affiliation:
Centre for Materials Science and Engineering, Cranfield University at Shrivenham, Swindon, Wiltshire, SN6 8LA, UK
Kathleen M Hynes
Affiliation:
Centre for Materials Science and Engineering, Cranfield University at Shrivenham, Swindon, Wiltshire, SN6 8LA, UK
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Abstract

CuInS2 films are often grown in a two-step process with the deposition of a Cu-In alloy followed by high temperature sulphurisation in either S vapour or H2 S. Numerous techniques exist for the deposition of Cu-In. In this work Cu-In films have been deposited on tin oxide coated glass using the electroless deposition technique, a low cost, low temperature approach. The films were found to consist of a two layered structure. Initially, Cu islands grew forming a layer on the substrate. The deposition process subsequently produced dendritic Cu-In alloys from the tops of the Cu islands. Various CuIn phases were observed, namely Cu9In4 and CuIn, the presence of which was related to the solution pH. None of the films were found to contain metallic In, indicating that this process may be well suited to subsequent high temperature sulphurisation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 836: Symposium L – Materials for Photovoltaics , 2004 , L5.34
Copyright
Copyright © Materials Research Society 2005

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References

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