1. Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
2. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
3. National Renewable Energy Laboratory, Golden, Colorado 80401, United States
4. Renewable and Sustainable Energy Institute (RASEI), University of Colorado Boulder, Boulder, Colorado 80309, United States
5. Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
6. Materials Science & Engineering Program, University of Colorado Boulder, Boulder, Colorado 80309, United States