Analysis of Device Performance by Quasi Three-Dimensional Simulation for Thin Film Polycrystalline Silicon Solar Cells with Columnar Structure : Semiconductors
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概要
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In order to realize high efficiency thin film polycrystalline silicon (poly-Si) solar cells, a novel method of quasi three-dimensional simulation using a cylindrical coordinate system was proposed. Optimum design of cell configuration and analysis of device performance have been demonstrated. In this simulation we used realistic physical values for parameters, such as interface recombination velocity at grain boundaries and diffusion length of minority carriers. Interface recombination velocity at grain boundaries (which has a strong effect on cell performance) should be less than 10^3 cm/s to obtain high cell performance. Even at a relatively short difftision length of 50μm, high efficiency of more than 16-18% can be expected at a film thickness of 5-20, μm when grain size is 10μm, which is appropriate for the utilization of solar grade Si of reasonable material quality.
- 社団法人応用物理学会の論文
- 2001-12-15
著者
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石川 靖彦
静岡大学電子工学研究所
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HATAYAMA Tomoaki
Graduate School of Materials Science, Nara Institute of Science and Technology
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URAOKA Yukiharu
Graduate School of Materials Science, Nara Institute of Science and Technology
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FUYUKI Takashi
Graduate School of Materials Science, Nara Institute of Science and Technology
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FUYUKI Takashi
Nara Institute of Science and Technology
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Yamamoto Y
College Of Engineering Hosei University
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Ishikawa Y
Research Center For Interface Quantum Electronics And Graduate School Of Electronics And Information
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Ishikawa Y
Dowa Mining Co. Ltd. Tokyo
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Ishikawa Y
Department Of Electrical And Electronics Engineering Nippon Institute Of Technology
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Yamamoto Yuichi
Division Of Electronic And Information Engineering Faculty Of Technology Tokyo University Of Agricul
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Yamamoto Y
Nippon Steel Corp. Kawasaki Jpn
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Yamamoto Y
Nara Inst. Sci. And Technol. Nara Jpn
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Ishikawa Y
Hokkaido Univ. Sapporo Jpn
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Yamamoto Yoshitugu
Department Of Chemistry For Materials Faculty Of Engineering Mie University
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YAMAMOTO Yukie
Graduate School of Materials Science, Nara Institute of Science and Technology
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ISHIKAWA Yasuaki
Graduate School of Materials Science, Nara Institute of Science and Technology
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Hatayama Tomoaki
Graduate School Of Materials Science Nara Institute Of Science And Technology
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Fuyuki Takashi
Graduate School Of Material Science Nara Institute Of Science And Technology
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Uraoka Yukiharu
Graduate School Of Materials Science Nara Institute Of Science And Technology
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Fuyuki Takashi
Nara Inst. Sci. And Technol. Nara Jpn
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Yamamoto Y
Material Science Japan Advanced Institute Of Science And Technology
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Ishikawa Yasuaki
Graduate School Of Materials Science Nara Institute Of Science And Technology
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Uraoka Yukiharu
Graduate School of Material Science, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192, Japan
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Hatayama Tomoaki
Graduate School of Engineering, Kyoto Univercity
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