1. Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education Guangdong Engineering Technology Research Center for High‐performance Organic and Polymer Photoelectric Functional Films School of Chemistry Sun Yat‐sen University Guangzhou 510275 P. R. China
2. Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education School of Materials Science and Engineering Sun Yat‐sen University Guangzhou 510275 P. R. China
3. School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China