University of California, Irvine - Department of Materials Science and Engineering, University of Pennsylvania - Department of Materials Science and Engineering, University of California - Department of Materials Science and Engineering, Karlsruhe Institute of Technology - Institute for Nanotechnology, University of California - Department of Materials Science and Engineering, University of California - Department of Materials Science and Engineering, Karlsruhe Institute of Technology - Institute for Nanotechnology, City University of Hong Kong (CityU) - Department of Materials Science and Engineering, The University of Hong Kong - Department of Mechanical Engineering and University of California - Department of Materials Science and Engineering