1. State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter The Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China
2. College of Chemistry and Materials Science Fujian Provincial Key Laboratory of Polymer Materials Fujian Normal University Fuzhou Fujian 350007 P. R. China
3. University of Chinese Academy of Sciences Beijing 100049 P. R. China
4. College of Chemistry and Materials Nanning Normal University Nanning Guangxi 530001 P. R. China