1. SUNCAT Center for Interface Science and Catalysis, Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
2. SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
3. The Joint Center for Artificial Photosynthesis, Lawrence Berkeley National Laboratory, Berkeley California 94720, United States
4. Department of Chemical and Biomolecular Engineering, University of California at Berkeley, Berkeley, California 94720, United States
5. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. Department of Chemistry, University of California at Berkeley, Berkeley, California 94720, United States