1. State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
2. Department of Mechanics Engineering, School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
3. School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, U.K.
4. Key Laboratory of Advanced Textile Materials and Manufacturing Technology (Zhejiang Sci-Tech University), Ministry of Education, Hangzhou 310023, China