1. Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania19104, United States
2. Department of Material Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania19104, United States
3. Complex Assemblies of Soft Matter Laboratory, IRL 3254, Solvay USA Inc., Bristol, Pennsylvania19007, United States
4. Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania19104, United States