1. Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
2. Institute for Chemical and Bioengineering (ICB), ETH Zurich, Zurich 8093, Switzerland
3. Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
4. Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011, United States
5. Laboratory for Catalysis and Sustainable Chemistry (LSK), Paul Scherrer Institute, Villigen 5232, Switzerland
6. SUNCAT Center for Science and Catalysis, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States