1. Department of Chemistry
2. University of Puerto Rico
3. San Juan
4. USA
5. State Key Lab of Superhard Materials
6. Jilin University
7. Changchun 130012
8. China
9. Institute of Optoelectronics & Nanomaterials
10. Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology
11. College of Material Science and Engineering
12. Nanjing University of Science and Technology
13. Nanjing 210094
14. Centre for Integrated Nanostructure Physics (CINAP)
15. Institute of Basic Science (IBS)
16. Suwon 16419
17. Republic of Korea