Synthesis and electroluminescent properties of a phenothiazine-based polymer for nondoped polymer light-emitting diodes with a stable orange-red emission - Liu, Yingllkng; Cao, Huayu; Li, Jianghui; Chen, Zhijian; Cao, Shaokui; Xiao, Lixin; Xu, Shengang; Qihuang Gong (JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 2007)