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Proceedings Paper

Present and future of super high efficiency multi-junction solar cells
Author(s): Masafumi Yamaguchi; Tatsuya Takamoto; Kenji Araki
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Paper Abstract

While single-junction solar cells may be capable of attaining AM1.5 efficiencies of up to 29%, multi-junction (MJ, Tandem) III-V compound solar cells appear capable of realistic efficiencies of up to 50% and are promising for space and terrestrial applications. In fact, the InGaP/GaAs/Ge triple-junction solar cells have been widely used for space since 1997. In addition, industrialization of concentrator solar cell modules using III-V compound MJ solar cells have been announced by some companies. This paper presents principles and key issues for realizing high-efficiency MJ solar cells, issues relating to development and manufacturing, and applications for space and terrestrial uses.

Paper Details

Date Published: 22 February 2008
PDF: 12 pages
Proc. SPIE 6889, Physics and Simulation of Optoelectronic Devices XVI, 688906 (22 February 2008); doi: 10.1117/12.784117
Show Author Affiliations
Masafumi Yamaguchi, Toyota Technological Institute (Japan)
Tatsuya Takamoto, Sharp Corp. (Japan)
Kenji Araki, Daido Steel Corp. (Japan)

Published in SPIE Proceedings Vol. 6889:
Physics and Simulation of Optoelectronic Devices XVI
Marek Osinski; Fritz Henneberger; Keiichi Edamatsu, Editor(s)

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