1. Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
2. SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA
3. Department of Chemical and Biomolecular Engineering, University of California, Berkeley, South Dr, Berkeley, CA 94720, USA
4. Liquid Sunlight Alliance, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Building 30, Berkeley, CA 94720, USA