1. Department of Chemistry and Beijing Key Laboratory of Energy Conversion and Storage Materials
2. Beijing Normal University
3. Beijing 100875
4. P. R. China
5. Beijing National Laboratory for Molecular Sciences
6. State Key Laboratory of Rare Earth Materials Chemistry and Applications
7. College of Chemistry and Molecular Engineering
8. Peking University
9. Beijing 100871
10. No 7 Yunhan RD
11. Jiangsu Key Laboratory for NSLSCS
12. School of Physical Science and Technology
13. Nanjing Normal University
14. Nanjing 210023