1. School of Materials Science and Engineering, and Tianjin Key Laboratory of Composite and Functional Materials; Tianjin University; Tianjin 300072 China
2. Analysis and Measurement Center, Tianjin University; Tianjin 300072 China
3. School of Materials Science and Engineering; Tianjin Polytechnic University; Tianjin 300387 China
4. School of Chemistry and Chemical Engineering, Shandong Key Laboratory of Fluorine Chemistry and Chemical Engineering Materials; University of Jinan; Jinan 250022 China