1. Department of Electrical and Electronic Engineering
2. The University of Hong Kong
3. Hong Kong SAR
4. China
5. Department of Physics
6. The Chinese University of Hong Kong
7. Soochow Institute for Energy and Materials InnovationS (SIEMIS)
8. College of Physics
9. Optoelectronics and Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology
10. Soochow University
11. Suzhou 215006