1. Jiangxi Key Laboratory of Organic Chemistry; Jiangxi Science and Technology Normal University; Nanchang 330013 People's Republic of China
2. College of Chemistry and Molecular Engineering; Qingdao University of Science and Technology; Qingdao 266042 People's Republic of China
3. State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices; South China University of Technology; Guangzhou 510640 People's Republic of China