1. Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14850, United States
2. Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, United States
3. Center for Complex Materials from First-Principles (CCM), Temple University, Philadelphia, Pennsylvania 19122, United States
4. Institute for Computational Molecular Science, Temple University, Philadelphia, Pennsylvania 19122, United States
5. Department of Biology, Temple University, Philadelphia, Pennsylvania 19122, United States
6. Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, New York 14850, United States