1. School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
2. Renewable and Sustainable Energy Institute, University of Colorado Boulder, Boulder, Colorado 80303, United States
3. Institut für Physik & IRIS Adlershof, Humboldt-Universität zu Berlin, 12489 Berlin, Germany
4. College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center of Soft Matter Science and Engineering, Peking University, Beijing 100871, China
5. SLAC National Accelerator Laboratory, Stanford Synchrotron Radiation Light Source, Menlo Park, California 94025, United States
6. School of Chemistry, Stanford University, Stanford, California 94305, United States
7. Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, 12489 Berlin, Germany
8. Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80303, United States
9. Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80303, United States