1. Department of Mechanical Engineering, University of California, 6141 Etcheverry Hall, Berkeley, California 94720, United States
2. Materials Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States
3. Department of Chemical Engineering, Stanford University, 443 Via Ortega, Stanford, California 94305, United States
4. Department of Applied Science and Technology, University of California, Berkeley, California 94720, United States
5. Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
6. The Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States
7. Polymer Science and Engineering Department, University of Massachusetts, 120 Governors Drive, Conte Center for Polymer Research, Amherst, Massachusetts 01003, United States
8. Advanced Institute for Materials Research (AIMR), Tohoku University, 2-1-1 Katahira, Aoba, Sendai 980-8577, Japan