1. Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, 100871 Beijing, China
2. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China
3. School of Material Science and Engineering, University of Science and Technology of China, Shenyang 110016, China
4. Liaoning Academy of Materials, Shenyang 110167, China
5. Beijing Graphene Institute, Beijing 100095, China
6. Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China