1. School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
2. Institute of Chemical and Engineering Sciences A*STAR; 1 Pesek Road Singapore 627833 Singapore
3. Department of Chemical Engineering; University of Cambridge; Cambridge CB2 3RA UK
4. College of Chemistry; Nankai University; Tianjin 300071 China
5. School of Chemical and Biomedical Engineering; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
6. Solar Fuels Laboratory and Energy Research Institute; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
7. Energy Research Institute@NTU; ERI@N; Interdisciplinary Graduate School; Nanyang Technological University; Singapore 639798 Singapore
8. Singapore-HUJ Alliance for Research and Enterprise; NEW-CREATE Phase II; Campus for Research Excellence and Technological Enterprise (CREATE); Singapore 138602 Singapore