1. Key Laboratory of Interface Science and Engineering in Advanced Materials
2. Ministry of Education
3. Research Center of Advanced Materials Science and Technology
4. Taiyuan University of Technology
5. Taiyuan 030024
6. Key Lab of Advanced Transducers and Intelligent Control System
7. Ministry of Education and Shanxi Province
8. College of Physics and Optoelectronics
9. Department of Materials Science and Engineering
10. National University of Singapore
11. Singapore 117575
12. Singapore