1. School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore
2. School of Chemical, Biological, and Environmental Engineering; Oregon State University; Corvallis OR 97331 USA
3. TUM-CREATE; One Create Way 138602 Singapore
4. Department of Life Sciences; Imperial College London; London SW7 2AZ UK
5. Solar Fuels Laboratory; Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore
6. Materials Science and Engineering Department; Massachusetts Institute of Technology; Cambridge MA 02139 USA
7. Electrochemical Energy Laboratory; Massachusetts Institute of Technology; Cambridge MA 02139 USA
8. Energy Research Institute @ Nanyang Technological University; 50 Nanyang Avenue 639798 Singapore