1. Department of Chemistry and James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States
2. Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, United States
3. Center for Nanoscale Materials, Argonne National Laboratory, Argonne, Illinois 60439, United States
4. Department of Chemistry, University of California, Berkeley, California 94720, United States
5. Materials Science 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