1. Department of Physics and Siyuan Laboratory
2. College of Science and Engineering
3. Jinan University
4. Guangzhou 510632
5. China
6. Shenzhen Key Laboratory of New Energy Materials by Design
7. Peking University
8. Shenzhen 518055
9. State Key Lab of Optoelectronics Materials & Technologies
10. School of Physics & Engineering
11. Sun Yat-Sen University
12. Guangzhou 510275
13. College of Chemistry and Materials Science
14. Hubei Engineering University
15. Xiaogan 432000