1. Jiangsu Laboratory of Advanced Functional Materials, Department of Physics, Changshu Institute of Technology
2. Changshu 215500
3. China
4. Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, College of Physics and Energy, Fujian Normal University
5. Fuzhou 350117
6. Fujian Provincial Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices
7. Xiamen 361005
8. National Laboratory of Solid State Microstructures and Key Laboratory of Nanomaterials for Jiang Su Province, Nanjing University
9. Nanjing 210093
10. People's Republic of China