1. School of Materials Science and Engineering, University of Science and Technology Beijing
2. Beijing 100083
3. People's Republic of China
4. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics
5. Chinese Academy of Sciences
6. Beijing 100190
7. China
8. Songshan Lake Materials Laboratory
9. Collaborative Innovation Centre for Optoelectronic Science & Technology, and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Institute of Microscale Optoelectronics, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen
10. Guangdong 518060