1. Department of Chemistry, University of California, Berkeley, California 94720, United States
2. Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
3. Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
4. Department of Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Straße 1, 40237 Düsseldorf, Germany
5. Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. Department of Materials Science and Engineering, University of California, Berkeley, California 94720, United States
7. Kavli Energy NanoScience Institute, Berkeley, California 94720, United States