1. Beijing Institute of Nanoenergy and Nanosystems
2. Chinese Academy of Sciences; National Center for Nanoscience and Technology (NCNST)
3. Beijing
4. P. R. China
5. Department of Chemistry
6. National University of Singapore
7. Singapore
8. State Key Lab of Crystal Materials
9. Shandong University
10. Jinan
11. School of Information Engineering
12. Minzu University of China
13. P. R. China 100081