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Development of a hybrid sputtering/evaporation process for Cu(In,Ga)Se2 thin film solar cells

✍ Scribed by M. Acciarri; S. Binetti; A. Le Donne; B. Lorenzi; L. Caccamo; L. Miglio; R. Moneta; S. Marchionna; M. Meschia

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 286 KB
Volume: 46
Category: Article
ISSN: 0232-1300
DOI: 10.1002/crat.201000670

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✦ Synopsis

Abstract

In this paper we report a new method for Cu(In,Ga)Se~2~ deposition for solar cell application. Differently from the common co‐evaporation process, an alterative approach for thin film Cu(In,Ga)Se~2~ has been tested: the sputtering deposition of metal elements combined with the selenium evaporation. We have studied the relationships between the growth parameters of our hybrid sputtering/evaporation method and the chemical‐physical properties of the CIGS films. The cells are completed with a CdS buffer layer deposited by chemical bath deposition and ZnO + ITO deposited by RF sputtering. Test solar cells of 0.5 cm^2^ have shown an efficiency of 10% and 2.5% on glass and stainless steel substrate respectively. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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