1. School of Optoelectronic Science and Engineering of UESTC, University of Electronic Science and Technology of China, Chengdu 610054, China
2. Department of Chemistry and Biochemistry, California State University Northridge, Northridge, California 91330-8262, United States
3. School of Materials Science and Engineering, Xihua University, Chengdu, 610039, China
4. State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, 116024, China
5. State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China