Metamaterial-Plasmonic Absorber Structure for High Efficiency Amorphous Silicon Solar Cells Wang, Yang ; Sun, Tianyi ; Paudel, Trilochan ; Zhang, Yi ; Ren, Zhifeng ; Kempa, Krzysztof Abstract Publication: Nano Letters Pub Date: January 2012 DOI: 10.1021/nl203763k Bibcode: 2012NanoL..12..440W