1. School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, Shenzhen 518172, P. R. China
2. Solar Fuels Group, Department of Chemistry, University of Toronto, 80 St. George Street, 10, Toronto, Ontario M5S 3H6, Canada
3. Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou 341000, P. R. China
4. State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China
5. National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, School of Physics, Nanjing University, Nanjing 210093, P. R. China