1. Wuhan National Laboratory for Optoelectronics
2. Huazhong University of Science and Technology
3. Wuhan 430074
4. China
5. Department of Physics and Electrical Engineering
6. Faculty of Engineering and Environment
7. Northumbria University
8. Newcastle Upon Tyne
9. UK
10. Hubei Key Laboratory of Low Dimensional Optoelectronic Material and Devices
11. Hubei University of Art and Science
12. Xiangyang