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The influence of the composition ratio on CZTS-based thin film solar cells

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Abstract

Cu2ZnSnS4 (CZTS) thin films were fabricated by using three RF co-sputtering continued with sulfurization method. The new type of thin film solar cells using CZTS as an absorber consists of buffer-layer and window-layer on CZTS films that were fabricated on a Mo-coated Soda Lime Glass (SLG) substrate. It was confirmed that CZTS solar cells with high conversion efficiency existed in a relatively narrow composition region. In this paper, the fabrication method of CZTS-based thin film solar cells in our laboratory was stated briefly and the influence of the composition ratio on the photovoltaic properties were presented. Furthermore, the properties of a genuine non-toxic solar cell using a Cd-free buffer-layer were introduced.

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Authors and Affiliations

  1. Nagaoka National College of Technology, 888 Nishikatakai, Nagaoka, Niigata, 940-8532, Japan

    Hironori Katagiri, Kazuo Jimbo, Masami Tahara, Hideaki Araki & Koichiro Oishi

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  1. Hironori Katagiri
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  2. Kazuo Jimbo
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  3. Masami Tahara
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  4. Hideaki Araki
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  5. Koichiro Oishi
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Katagiri, H., Jimbo, K., Tahara, M. et al. The influence of the composition ratio on CZTS-based thin film solar cells. MRS Online Proceedings Library 1165, 401 (2009). https://doi.org/10.1557/PROC-1165-M04-01

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  • DOI: https://doi.org/10.1557/PROC-1165-M04-01

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