1. State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2. Joint Center for Artificial Photosynthesis, Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
3. Department of Materials Science and Engineering, University of California Berkeley, Berkeley, California 94720, USA
4. Fung Institute, University of California Berkeley, Berkeley, California 94720, USA
5. Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 138632, Singapore
6. Department of Chemical and Biomolecular Engineering, National University of Singapore, 117585, Singapore