1. Hebei Key Lab of Optic-electronic Information and Materials
2. The College of Physics Science and Technology
3. Institute of Life Science and Green Development
4. Hebei University
5. Baoding
6. College of Mechanical and Electrical Engineering
7. Hebei Agricultural University
8. Baoding 071001
9. P. R. China
10. School of Materials Science and Engineering
11. State Key Laboratory of Silicon Materials
12. Zhejiang University
13. Hangzhou 310027