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Conferences > PV > 2013 > PM4C > PM4C.1

Dielectric Light-Trapping Structures for Ultrathin Silicon and Gallium Arsenide Solar Cells

Harry Atwater

Open Access Open Access

Abstract

We show that superlattice photonic crystals introduce new optical modes that contribute to enhanced absorption, with greatest improvements obtained by combining a superlattice with a randomly textured dielectric incoupler layer. Layers 1-4 microns in thickness, have absorbed currents competitive with conventional thick solar cells.

© 2013 Optical Society of America

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