1. School of Materials and Energy
2. Guangdong University of Technology
3. Guangzhou
4. P. R. China
5. Department of Electronic Engineering
6. State Key Laboratory of Optoelectronic Materials and Technologies
7. Nanotechnology Research Center
8. School of Materials Science & Engineering
9. Sun Yat-sen University
10. Institute of Micro-nano Optoelectronic Technology
11. Shenzhen Key Lab of Micro-nano Photonic Information Technology
12. College of Electronic Science and Technology
13. Shenzhen University
14. Shenzhen
15. State Key Laboratory for Superlattices and Microstructures