1. The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
2. Carbon Nanomaterials Design Laboratory, Research Institute of Advanced Materials, Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
3. Photo-electronic Hybrids Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
4. Composites Research Division, Korea Institute of Materials Science, Changwon 51508, Republic of Korea
5. Applied Science and Technology Graduate Group, University of California, Berkeley, Berkeley, California 94720, United States
6. College of Engineering, University of California, Berkeley, Berkeley, California 94720, United States
7. Department of Mechanical Engineering, University of California, Berkeley, Berkeley, California 94720, United States
8. School of Engineering, University of California, Merced, Merced, California 95343, United States
9. Nano-Materials and Engineering, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea