1. Tianjin Key Laboratory of Photoelectric Materials and Devices
2. School of Materials Science and Engineering
3. Tianjin University of Technology
4. Tianjin 300384
5. China
6. Fujian Provincial Key Laboratory of Semiconductors and Applications
7. Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices
8. Department of Physics
9. Xiamen University
10. Xiamen 361005