1. Beijing National Laboratory for Molecular Sciences
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. A College of Materials and Engineering
7. Institution Guangxi Guilin University of Technology
8. Guilin 541004
9. China
10. School of Chemistry
11. University of Nottingham
12. Nottingham NG7 2RD
13. UK