1. Laboratory of Information Functional Materials and Devices
2. School of Science
3. Beijing University of Posts and Telecommunications
4. Beijing 100876
5. China
6. Beijing National Laboratory for Condensed Matter Physics
7. Institute of Physics
8. Chinese Academy of Sciences
9. Beijing 100190
10. P. R. China
11. Center for Optoelectronics Materials and Devices
12. Department of Physics
13. Zhejiang Sci-Tech University
14. Hangzhou 310018
15. School of Materials
16. Sun Yat-sen University
17. Guangzhou 510275
18. Beijing Advanced Innovation Center for Soft Matter Science and Engineering