1. Department of Chemistry
2. National University of Singapore
3. Singapore 117543
4. Singapore
5. Institute of Materials Research and Engineering
6. Beijing National Laboratory for Molecular Sciences
7. State Key Laboratory of Rare Earth Materials Chemistry and Applications
8. PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry
9. Peking University
10. Beijing 100871
11. Department of Chemistry and Biochemistry and Centre for NanoScience Research
12. Concordia University
13. Montreal
14. Canada