supported by "973" Program (No.2012CB619301 and 2011CB925600);the National Natural Science Foundations of China (No.61227009,61106008,61106118,90921002,and 60827004);the Natural Science Foundations of Fujian Province;the fundamental research funds for the central universities (No.2011121042 and 2011121026)
Nanowire-based photovoltaic devices have the advantages over planar devices in light absorption and charge transport and collection.Recently,a new strategy relying on type-Ⅱ band alignment has been proposed to facili...