Nano structure evolution in P3HT:PC61BM blend films due to the effects of thermal annealing or by adding solvent
Fan Xinga),b), Zhao Su-Ling†a),b), Chen Yuc), Zhang Jiec), Yang Qian-Qiana),b), Gong Weia),b), Yuan Meng-Yaoc), Xu Zhenga),b), Xu Xu-Ronga),b)
       
Chemical structures of (a) [6,6]-phenyl-C 61-butyric acid methyl ester (PC61BM), (b) regioregular poly (3-hexylthiophene) (P3HT), and (c) 1,8-diiodooctane.