1. Beijing National Laboratory of Molecular Science
2. State Key Laboratory of Rare Earth Materials Chemistry and Applications
3. College of Chemistry and Molecular Engineering
4. Peking University
5. Beijing 100871
6. State Key Laboratory of Organometallic Chemistry
7. Shanghai Institute of Organic Chemistry
8. Chinese Academy of Sciences
9. Shanghai 200032
10. P. R. China
11. Jiangsu Key Laboratory for NSLSCS
12. School of Physical Science and Technology
13. Nanjing Normal University
14. Nanjing 210023