Synthesis and photovoltaic properties of an alternating polymer based fluorene and fluorine substituted quinoxaline derivatives - Wu, Haimei; Qu, Bo; Tian, Di; Cong, Zhiyuan; Gao, Bowen; Liu, Jianqun; An, Zhongwei; Chao Gao; Xiao, Lixin; Chen, Zhijian; Qihuang Gong; Wei Wei (REACTIVE & FUNCTIONAL POLYMERS, 2013)