supported by the National Basic Research Program of China(2011CB932800 and 2013CB934200);Sino-British Collaboration Program(2010DFA64680);National Natural Science Foundation of China(20973043);Chinese Academy of Sciences(KGCX2-YW-375-3)
Control of blend morphology at multi-scale is critical for optimizing the power conversion efficiency(PCE)of plastic solar cells.To better understand the physics of photoactive layer in the organic photovoltaic device...