1. Department of Systems Engineering, City University of Hong Kong, Kowloon, Hong Kong
2. Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong
3. Department of Chemistry and Research Center for New Generation Light Driven Photovoltaic Modules, National Central University, Taoyuan 32001, Taiwan
4. School of Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
5. Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong