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Effective mobility map for InGaP/InGaP multiple quantum-well-based solar cells
Author(s): Hsiang-Hung Huang; Kasidit Toprasertpong; Amaury Delamarre; Justin Zenas Sun; Kentaroh Watanabe; Masakazu Sugiyama; Yoshiaki Nakano
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Paper Abstract

InGaP top cell often limits the efficiency of multi-junction solar cells. Its efficiency is expected to increase by introducing strain-balanced In1-xGaxP/In1-yGayP multiple-quantum-wells since the concentration of photoexcited carriers into the wells enhances radiative recombination. To keep carrier collection efficiency to be similar to the case of a bulk InGaP cell, effective mobilities of carriers through the cascaded quantum wells are evaluated. The critical mobilities for maintaining good carrier transport as a photovoltaic device are discussed, which provides a general design principle for the multiplequantum- well architecture.

Paper Details

Date Published: 27 February 2019
PDF: 6 pages
Proc. SPIE 10913, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VIII, 1091310 (27 February 2019); doi: 10.1117/12.2508592
Show Author Affiliations
Hsiang-Hung Huang, The Univ. of Tokyo (Japan)
Kasidit Toprasertpong, The Univ. of Tokyo (Japan)
Amaury Delamarre, The Univ. of Tokyo (Japan)
Justin Zenas Sun, Univ. of California, San Diego (United States)
Kentaroh Watanabe, The Univ. of Tokyo (Japan)
Masakazu Sugiyama, The Univ. of Tokyo (Japan)
Yoshiaki Nakano, The Univ. of Tokyo (Japan)


Published in SPIE Proceedings Vol. 10913:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VIII
Alexandre Freundlich; Laurent Lombez; Masakazu Sugiyama, Editor(s)

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