1. Department of Physics, University of California, Berkeley, California 94720, United States
2. Department of Physics, California Institute of Technology, Pasadena, California 91125, United States
3. Department of Applied Physics and Materials Science, California Institute of Technology, Pasadena, California 91125, United States
4. Department of Chemistry, University of California, Berkeley, California 94720, United States
5. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. The Sackler Center for Computational Molecular and Materials Science, Tel Aviv University, Tel Aviv, 69978, Israel
7. Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
8. Kavli Energy NanoScience Institute, Berkeley, California 94720, United States