K. Jäger, G. Köppel, C. Barth, M. Hammerschmidt, S. Herrmann, S. Burger, F. Schmidt, C. Becker
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Sinusoidal gratings for optimized light management in c-Si thin-film solar cells
Hexagonal sinusoidal nanotextures are well suited to couple light into silicon on glass at normal incidence, as we have shown in an earlier publication [K. Jäger et al., Opt. Express 24, A569 (2016)]. In this manuscript we discuss how these nanotextures perform under oblique incidence illumination. For this numerical study we use a rigorous solver for the Maxwell equations. We discuss nanotextures with periods between 350 nm and 730 nm and an aspect ratio of 0.5.