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Conferences > CLEO_AT > 2011 > AMC > AMC1

High efficiency photovoltaics: recent progress and long term goals

N. J. Ekins-Daukes, D. J. Farrell, and L. Hirst

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Abstract

Photovoltaic solar cells based on III-V semiconductors are now reaching power conversion efficiencies in excess of 42%. This technology is reviewed and discussed with reference to the fundamental efficiency limit for solar photovoltaic power conversion, which sits at 87%. 1Maximum concentration factor is 46200x and corresponds to a magnified image of the solar disk filling 2πSr.

© 2011 Optical Society of America

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