1. Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials
2. Department of Chemistry
3. University of Science and Technology Beijing
4. Beijing 100083
5. P. R. China
6. School of Science, China University of Petroleum (East China)
7. Qingdao 266580
8. College of Chemistry and Chemical Engineering
9. Taishan University
10. Taian 271000