1. Department of Chemistry, University of California, Berkeley, CA 94720, USA.
2. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
3. Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720, USA.
4. Berkeley Energy and Climate Institute, University of California, Berkeley, CA 94720, USA.
5. Department of Physics, University of California, Berkeley, CA 94720, USA.
6. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
7. Computational Science Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea.
8. Corporate Strategic Research, ExxonMobil Research and Engineering Company, Annandale, NJ 08801, USA.
9. Kavli Energy Nanosciences Institute, University of California, Berkeley, CA 94720, USA.