Spectral optimization of CPV for integrated energy output

Mark McDonald; Chris Barnes

doi:10.1117/12.793447

28 August 2008 Spectral optimization of CPV for integrated energy output

Mark McDonald, Chris Barnes

Proceedings Volume 7046, Optical Modeling and Measurements for Solar Energy Systems II; 704604 (2008) https://doi.org/10.1117/12.793447
Event: Solar Energy + Applications, 2008, San Diego, California, United States

Abstract

The series electrical nature of the multi-junction solar cell is both the source of its desirable overall efficiency and of its sensitivity to spectral balance. Owing to the series connection of the spectrally selective junctions, variations in the spectra of the solar input, optical transfer function, and cell quantum efficiency have significant impact on annual energy production despite being effectively indistinguishable in instantaneous power output. This paper will outline spectral filtering approaches for experimental characterization, and spectral simulation methods for estimating annual energy production. We will also present system level design to optimize for annual energy production.

Citation Download Citation

Mark McDonald and Chris Barnes "Spectral optimization of CPV for integrated energy output", Proc. SPIE 7046, Optical Modeling and Measurements for Solar Energy Systems II, 704604 (28 August 2008); https://doi.org/10.1117/12.793447

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