Ultra-high concentration effects in multi-junction solar cells

Eugene A. Katz; Jeffrey M. Gordon; Wondesen Tassew; Daniel Feuermann

doi:10.1117/12.613081

20 August 2005 Ultra-high concentration effects in multi-junction solar cells

Eugene A. Katz, Jeffrey M. Gordon, Wondesen Tassew, Daniel Feuermann

Proceedings Volume 5942, Nonimaging Optics and Efficient Illumination Systems II; 59420P (2005) https://doi.org/10.1117/12.613081
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

We report results of ultra-high-flux experiments on tandem and triple-junction solar cells, with a real-sun probe predicated on mini-dish fiber-optic concentrators. We focus on the sensitivity of cell efficiency to a wide range of flux levels and distributions. Our experiments also revealed pronounced reversible photovoltaic hysteresis at high concentration, and provide a non-destructive method for assessing tunnel diode characteristics.

Citation Download Citation

Eugene A. Katz, Jeffrey M. Gordon, Wondesen Tassew, and Daniel Feuermann "Ultra-high concentration effects in multi-junction solar cells", Proc. SPIE 5942, Nonimaging Optics and Efficient Illumination Systems II, 59420P (20 August 2005); https://doi.org/10.1117/12.613081

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