1. State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
2. Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education Key Laboratory of High-Performance Polymer-based Composites of Guangdong Province School of Chemistry Sun Yat-Sen University Guangzhou China
3. College of Chemistry Fuzhou University Fuzhou Fujian 350108 P. R. China
4. School of Chemical & Biomedical Engineering Nanyang Technological University 62 Nanyang Drive Singapore Singapore