1. Stanford
Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
2. Department
of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
3. Department
of Chemistry, Stanford University, Stanford, California 94305, United States
4. Department
of Chemistry, Columbia University, New York, New York 10027, United States
5. SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
6. PULSE
Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States