%0 Journal Article %T Progress in Photovoltaic Devices and Systems %A Yang, Hongxing %A Shen, Hui %A Xu, Tao %A Karamanis, Dimitrios %J International Journal of Photoenergy %V 2015 %N 2015 %@ 1110-662X %D 2015-03-24 %I Hindawi Publishing Corporation %~ DeepDyve