1. Department of Chemical
Engineering, University of California, Berkeley, California 94720, United States
2. Joint Center for Artificial Photosynthesis, Material Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
3. SUNCAT Center for Interface Science and Catalysis, Department of
Chemical Engineering, Stanford University, Stanford, California 94305, United States
4. SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States