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Analytical approach for design of blazed dielectric gratings for light trapping in solar cells

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Published 17 January 2011 2011 IOP Publishing Ltd
, , Citation S Mokkapati et al 2011 J. Phys. D: Appl. Phys. 44 055103 DOI 10.1088/0022-3727/44/5/055103

0022-3727/44/5/055103

Abstract

An analytical approach based on the scalar diffraction theory is presented for design of blazed diffraction gratings for maximizing the light trapping in solar cells. The model provides a conceptual insight into the behaviour of blazed structures. The predictions of the analytical model are checked against numerical results obtained using the commercial FDTD modelling software. Within the limits of the scalar diffraction theory, this analytical approach can be used to design gratings with arbitrary shapes.

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10.1088/0022-3727/44/5/055103