1. State Key Laboratory of Silicon Materials
2. Cyrus Tang Center for Sensor Materials and Applications
3. School of Materials Science and Engineering
4. Zhejiang University
5. Hangzhou 310027
6. Shenzhen Key Laboratory of Laser Engineering
7. College of Optoelectronic Engineering
8. Shenzhen University
9. Shenzhen 518060
10. People's Republic of China