1. PCFM Lab, GDHPPC Lab, Guangdong Engineering Technology Research Center for High-performance Organic and Polymer Photoelectric Functional Films; State Key Laboratory of OEMT; School of Chemistry and Chemical Engineering; Sun Yat-sen University; Guangzhou 510275 China
2. School of Chemistry and Chemical Engineering; Sun Yat-sen University; Guangzhou 510275 China
3. Shenzhen China Star Optoelectronics Technology Co., Ltd; China
4. Department of Chemistry; Durham University; Durham DH1 3LE UK