1. Beijing National Laboratory for Molecular Sciences and State Key Laboratory of Rare Earth Materials Chemistry and Applications
2. College of Chemistry and Molecular Engineering
3. Peking University
4. Beijing 100871
5. China
6. CAS Key Laboratory of Materials for Energy Conversion and State Key Laboratory of High Performance Ceramics and Superfine Microstructure
7. Shanghai Institute of Ceramics
8. Chinese Academy of Sciences
9. Shanghai 200050
10. P. R. China
11. Department of Chemistry and Biochemistry
12. Northern Illinois University
13. DeKalb
14. USA