1. SZU-NUS Collaborative Center and International Collaborative Laboratory of 2D Materials for Optoelectronic Science & Technology
2. College of Optoelectronic Engineering
3. Shenzhen University
4. Shenzhen 518060
5. China
6. School of Physics and Electronics
7. Central South University
8. Changsha
9. China 410083
10. Department of Chemistry
11. National University of Singapore
12. Singapore 117543
13. Department of Physics