Superstrate thin-film silicon triple-junction solar cells on 2-D gratings were optimized using opto-electrical modeling. Tuning the thickness of intermediate and back reflectors and the band gap of the middle cell resulted in 17% initial efficiency.
© 2012 OSA
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(310.6845) Thin films : Thin film devices and applications
O. Isabella, M. El-Shinawy, S. Solntsev, and M. Zeman, "3-D Modeling of Triple Junction Solar Cells on 2-D Gratings with Optimized Intermediate and Back Reflectors," in Renewable Energy and the Environment Optics and Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper JM5A.11.
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