TY - Front. Optoelectron. A1 - Debin NI, Dong YANG, Shuying MA, Guoli TU, Jian ZHANG T1 - Side chains and backbone structures influence on 4,7-dithien-2-yl-2,1,3-benzothiadiazole (DTBT)-based low-bandgap conjugated copolymers for organic photovoltaics Y1 - 2013-12-05 JF - Frontiers of Optoelectronics JO - Front. Optoelectron. SP - 418 EP - 428 VL - 6 IS - 4 UR - https://journal.hep.com.cn/foe N1 - 10.1007/s12200-013-0343-9 ER -