1. Department of Chemistry, University of California, Berkeley, California 94720, United States
2. Department of Chemistry, James Franck Institute, and Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States
3. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
4. Department of Physics, Arizona State University, Tempe, Arizona 85287, United States
5. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
7. Kavli Energy NanoSciences Institute, University of California, Berkeley, California 94720, United States
8. Center for Nanoscale Materials, Argonne National Laboratory, Argonne, Illinois 60517, United States
9. Department of Physics, University of California, Berkeley, California 94720, United States
10. Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
11. Materials Sciences and Chemical Sciences Divisions, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States