Efficient Light Trapping in Inverted Nanopyramid Thin Crystalline Silicon Membranes for Solar Cell Applications Mavrokefalos, Anastassios ; Han, Sang Eon ; Yerci, Selcuk ; Branham, Matthew S. ; Chen, Gang Abstract Publication: Nano Letters Pub Date: June 2012 DOI: 10.1021/nl2045777 Bibcode: 2012NanoL..12.2792M