We studied the effect of concentration on commercial CIGS solar cells. Measurement results indicate 23% improvement in efficiency can be achieved under 20X. Methods to optimize concentrator cells for higher irradiance levels are also discussed.
© 2010 The Optical Society
(310.0310) Thin films : Thin films
(350.0350) Other areas of optics : Other areas of optics
(350.6050) Other areas of optics : Solar energy
(310.6845) Thin films : Thin film devices and applications
D. Zhang, J. M. Castro, and R. K. Kostuk, "Commercial CIGS Solar Cells for Concentrator Applications," in Imaging and Applied Optics Congress, OSA Technical Digest (CD) (Optical Society of America, 2010), paper SWD2.
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