Growth of an Inx(OOH,S)y Buffer Layer and Its Application to Cu(In,Ga)(Se,S)2 Solar Cells

Abstract:

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As an alternative to a CdS buffer layer for Cu(In,Ga)Se2-based solar cells, we prepared In-based buffer layers using a chemical bath deposition method. XPS and XRD analyses revealed that the In-based buffer layers contained In2S3 and InOOH phases. Compared with CdS film, the In-based film, Inx(OOH,S)y, had higher optical transmittance and a shorter absorption edge. The Cu(In,Ga)(Se,S)2 solar cell with the Inx(OOH,S)y buffer layer had better photovoltaic properties than that with a conventional CdS buffer layer. The conversion efficiency of the best Cu(In,Ga)(Se,S)2 solar cell with Inx(OOH,S)y buffer layer was 12.55 % for an active area of 0.19 cm2.

Info:

Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

1681-1684

DOI:

10.4028/www.scientific.net/MSF.475-479.1681

Citation:

K. H. Kim et al., "Growth of an Inx(OOH,S)y Buffer Layer and Its Application to Cu(In,Ga)(Se,S)2 Solar Cells", Materials Science Forum, Vols. 475-479, pp. 1681-1684, 2005

Online since:

January 2005

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$35.00

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