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 Sun Yat‐sen University Guangzhou 510275 P. R. China
2. State Key Laboratory of Luminescent Materials and Devices and Institute of Polymer Optoelectronic Materials and Devices South China University of Technology Guangzhou 510640 P. R. China
3. Shenzhen Institute of Advanced Electronic Materials Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Shenzhen 518055 P. R. China
4. School of Materials Science and Engineering Sun Yat‐sen University Guangzhou 510275 P. R. China