1. Shanghai Institute of Ceramics
2. Chinese Academy of Sciences
3. Shanghai 201800
4. P. R. China
5. Key Laboratory of Optoelectronic Material and Device
6. Department of Physics
7. Shanghai Normal University
8. Shanghai 200234
9. Department of Microelectronic Science and Engineering
10. Ningbo University
11. Ningbo 315211
12. College of Science
13. Nanjing University of Aeronautics and Astronautics
14. Nanjing 210016
15. Center of Materials Science and Optoelectronics Engineering