1. Energy Technologies Area, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
2. Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA
3. Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
4. Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720, USA
5. Department of Electrical Engineering and Computer Science, University of California, Berkeley, CA 94720, USA
6. Luxembourg Institute of Science and Technology, Luxembourg
7. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA