Enhancement of Conversion Efficiency of Cu
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概要
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To enhance the conversion efficiency of Cu<inf>2</inf>ZnSnS<inf>4</inf>(CZTS) thin film solar cells prepared by the sulfurization method, we investigated the formation process of the CZTS thin film. The holding temperature of the sulfurization was 580 °C. This study showed that the spreading resistance (SR) of the CZTS layer strongly depends on the holding time of the sulfurization. At the intermediate holding time ({\sim}30 min), the SR of the CZTS layer came to a minimum, and the efficiency of the CZTS solar cell came to a maximum. A 7.6% efficiency CZTS solar cell without a high-resistance buffer layer and an antireflection coating was fabricated.
- 2013-06-25
著者
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Ito Tadayoshi
Toyota Central Research And Development Laboratories Inc.
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Tajima Shin
Toyota Central R&d Labs. Inc.
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Fukano Tatsuo
Toyota Central Research And Development Laboratories Inc.
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Tajima Shin
Toyota Central Research and Development Laboratories Inc., Nagakute, Aichi 480-1192, Japan
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Fukano Tatsuo
Toyota Central Research and Development Laboratories Inc., Nagakute, Aichi 480-1192, Japan
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Ito Tadayoshi
Toyota Central Research and Development Laboratories Inc., Nagakute, Aichi 480-1192, Japan
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