1. Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
2. Physical Science and Engineering Division KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
3. Materials Department, University of California—Santa Barbara, Santa Barbara, California 93106, United States
4. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
5. Department Chemie, Universität Paderborn, 33098 Paderborn, Germany
6. Department of Chemical and Biological Engineering, University of Colorado—Boulder, Boulder, Colorado 80303, United States
7. Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom