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Development of Earth-abundant CZTS Thin Film Solar Cells with Sulfurization Technique

Published online by Cambridge University Press:  08 September 2014

Hironori Katagiri ,
Kazuo Jimbo  and
Tsukasa Washio
Hironori Katagiri
Affiliation:
Nagaoka National College of Technology, 888 Nishikatakai, Nagaoka, 940-8532, Japan JST-CREST, 888 Nishikatakai, Nagaoka, 940-8532, Japan
Kazuo Jimbo
Affiliation:
Nagaoka National College of Technology, 888 Nishikatakai, Nagaoka, 940-8532, Japan
Tsukasa Washio
Affiliation:
Nagaoka National College of Technology, 888 Nishikatakai, Nagaoka, 940-8532, Japan JST-CREST, 888 Nishikatakai, Nagaoka, 940-8532, Japan
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Abstract

Cu2ZnSnS4 (henceforth CZTS) absorber layers are successfully synthesized by a sulfurization technique of physical vapor deposited precursors. In our previous report, we have clarified that the off-stoichiometry composition of Cu-poor and Zn-rich is desirable to achieve high conversion efficiency. By using CZTS compound target that provide such active composition, we could conduct a simple single sputtering method to prepare CZTS absorber. In our laboratory, a two-stage process of precursor preparation followed by sulfurization is a major fabrication method from the start of this study. We think that this method is suitable for a mass production. An optimization of the sulfurization process is a quite important issue because the active composition was already revealed. In this paper, TG/DTA system available in the H2S atmosphere is introduced to optimize the sulfurization condition. As a result, bump-free CZTS films were prepared successfully and the fluctuation of J-V properties in one substrate was drastically suppressed.

Keywords

photovoltaicchemical compositionoptical properties
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1670: Symposium E – Advances in the Characterization, Performance and Defect Engineering of Earth Abundant and Thin-Film Materials for Solar Energy Conversion , 2014 , mrss14-1670-e16-06
Copyright
Copyright © Materials Research Society 2014 

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References

REFERENCES

Ito, and Nakazawa, T., “Electrical and Optical Properties of Stannite-Type Quaternary Semiconductor Thin Films”, Jpn. J. Appl. Phys., 27, 2094–2097 (1988).10.1143/JJAP.27.2094CrossRefGoogle Scholar
Katagiri, H., Sasaguchi, N., Hando, S., Hoshino, S., Ohashi, J. and Yokota, T., “Preparation and Evaluation of Cu2ZnSnS4 Thin Films by Sulfurization of E-B Evaporated Precursors”, Sol. Energy Mater. & Sol. Cells, 49, 407–414 (1997).10.1016/S0927-0248(97)00119-0CrossRefGoogle Scholar
Katagiri, H., Ishigaki, N., Ishida, T. and Saitoh, K., “Characterization of Cu2ZnSnS4 Thin Films Prepared by Vapor Phase Sulfurization”, Jpn. J. Appl. Phys., 40, Part 1, No. 2A, 500–504 (2001).10.1143/JJAP.40.500CrossRefGoogle Scholar
Katagiri, H., Saitoh, K., Washio, T., Shinohara, H., Kurumadani, T. and Miyajima, S., “Development of thin film solar cell based on Cu2ZnSnS4 thin films”, Sol. Energy Mater. & Sol. Cells, 65, 141–148 (2001).10.1016/S0927-0248(00)00088-XCrossRefGoogle Scholar
Katagiri, H., Jimbo, K., Moriya, K. and Tsuchida, K., “SOLAR CELL WITHOUT ENVIRONMENTAL POLLUTION BY USING CZTS THIN FILM”, Proceedings of WCPEC-3, 2874–2879, Osaka (2003).Google Scholar
Katagiri, H., “Cu2ZnSnS4 thin film solar cells”, Thin Solid Films, 480-481, 426–432 (2005).10.1016/j.tsf.2004.11.024CrossRefGoogle Scholar
Jimbo, K., Kimura, R., Kamimura, T., Yamada, S., Maw, W. S., Araki, H., Oishi, K. and Katagiri, H., “Cu2ZnSnS4-type thin film solar cells using abundant materials”, Thin Solid Films, 515, 5997–5999 (2007).10.1016/j.tsf.2006.12.103CrossRefGoogle Scholar
Katagiri, H., Jimbo, K., Tahara, M., Araki, H. and Oishi, K., “The Influence of the Composition Ratio on CZTS-Based Thin Film Solar Cells”, Mater. Res. Soc. Symp. Proc., 1165, M04–01 (2009).10.1557/PROC-1165-M04-01CrossRefGoogle Scholar