1. Center of Super-Diamond and Advanced Films (COSDAF) and Department of Physics and Materials Science
2. City University of Hong Kong
3. Hong Kong SAR
4. P. R. China
5. Key Laboratory of Photochemical Conversion and Optoelectronic Materials and CityU-CAS Joint Laboratory of Functional Materials and Devices
6. Technical Institute of Physics and Chemistry
7. Chinese Academy of Sciences
8. Beijing
9. People's Republic of China