1. Shenzhen Key Laboratory of Laser Engineering
2. College of Physics and Optoelectronic Engineering
3. Shenzhen University
4. Shenzhen 518060
5. P. R. China
6. College of Materials Science and Engineering
7. Hunan University
8. Changsha
9. International Research Center for Renewable Energy
10. State Key Laboratory of Multiphase Flow in Power Engineering
11. Xi'an Jiaotong University
12. Xi'an
13. State Key Lab of Silicon Materials
14. School of Materials Science and Engineering
15. Zhejiang University
16. Hangzhou 310027