1. Department of Electrical Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, China
2. Department of Materials Science and Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, China
3. College of Integrated Circuits and Optoelectronic Chips, Shenzhen Technology University, Shenzhen 518118, China
4. Department of Chemistry, The Chinese University of Hong Kong, Shatin 999077, Hong Kong SAR, China
5. Department of Mechanical Engineering, City University of Hong Kong, Kowloon 999077, Hong Kong SAR, China
6. Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Kowloon 999077, Hong Kong SAR, China
7. Department of Chemistry and Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, Kowloon 999077, Hong Kong SAR, China
8. Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam 999077, Hong Kong SAR, China