1. MOE Key Laboratory of Resources and Environmental System Optimization
2. College of Environmental Science and Engineering
3. North China Electric Power University
4. Beijing 102206
5. P. R. China
6. Institute of Modern Optics
7. Nankai University
8. Tianjin
9. P.R. China
10. Department of Physics and Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices
11. Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry
12. Xiamen University
13. Xiamen 361005