1. PCFM Lab, GD HPPC Lab, Guangdong Engineering Technology Research Centre for High-performance Organic and Polymer Photoelectric Functional Films, State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China
2. Guangdong Testing Institute of Product Quality Supervision, Guangzhou 510670, China
3. School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
4. Instrumental Analysis & Research Center, Sun Yat-sen University, Guangzhou 510275, China