15.7% Efficient 10-μm-thick crystalline silicon solar cells using periodic nanostructures.

Branham, Matthew S; Hsu, Wei-Chun; Yerci, Selcuk; Loomis, James; Boriskina, Svetlana V; Hoard, Brittany R; Han, Sang Eon; Chen, Gang · Adv Mater · 2015

basic_science · Level V

Where this comes from

Abstract

Only ten micrometer thick crystalline silicon solar cells deliver a short-circuit current of 34.5 mA cm(-2) and power conversion efficiency of 15.7%. The record performance for a crystalline silicon solar cell of such thinness is enabled by an advanced light-trapping design incorporating a 2D inverted pyramid photonic crystal and a rear dielectric/reflector stack.