Measurement and characterization of triple junction solar cells using a close matched multizone solar simulator

Jeffrey H. Warner; Robert J. Walters; Scott R. Messenger; Justin R. Lorentzen; Geoffrey P. Summers; Hector L. Cotal; Nassar H. Karam

doi:10.1117/12.559734

3 November 2004 Measurement and characterization of triple junction solar cells using a close matched multizone solar simulator

Jeffrey H. Warner, Robert J. Walters, Scott R. Messenger, Justin R. Lorentzen, Geoffrey P. Summers, Hector L. Cotal, Nassar H. Karam

Author Affiliations +

Proceedings Volume 5520, Organic Photovoltaics V; (2004) https://doi.org/10.1117/12.559734
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

The photovoltaic characterization of triple-junction InGaP₂/GaAs/Ge solar cells is presented. Measurements made using a single light source solar simulator are compared with other measurements made using a multi-light source solar simulator that provides a close match to the air mass zero (AM0) solar spectrum. The output spectrum of the solar simulators has been measured, and two methods for calibrating the simulator output intensity haven been employed. The spectral response of the solar cells has been characterized through quantum efficiency measurements. These data are analyzed to determine the effect of the simulator spectrum on the measured photovoltaic response, and in particular, areas where spectral mismatch between the simulator and AM0 can lead to inaccurate performance predictions are highlighted. In addition, the effects of the different calibration techniques on the measured data are studied. Exploiting the capabilities of the multi-source, close matched simulator, the response of each of the three sub-junctions are studied individually, and the interplay between the spectral response of the sub-junctions and the incident spectrum is investigated.

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Jeffrey H. Warner, Robert J. Walters, Scott R. Messenger, Justin R. Lorentzen, Geoffrey P. Summers, Hector L. Cotal, and Nassar H. Karam "Measurement and characterization of triple junction solar cells using a close matched multizone solar simulator", Proc. SPIE 5520, Organic Photovoltaics V, (3 November 2004); https://doi.org/10.1117/12.559734

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