1. School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, P. R. China
2. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, P. R. China
3. State Key Laboratory of Coal Conversion, Institute Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, P. R. China
4. National Energy Center for Coal to Clean Fuel, Synfuels China Co., Ltd, Beijing 100871, P. R. China
5. The University of Chinese Academy of Sciences, Beijing 100049, P. R. China
6. Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China
7. Department of Physics and Center for Quantum Materials, Hong Kong University of Science and Technology, Kowloon, Hong Kong SAR 999077, P. R. China
8. Research Institute of Petroleum Processing, SINOPEC, Beijing 100083, P. R. China
9. Center for Integrative Materials Discovery, Department of Chemistry and Chemical Engineering, University of New Haven, West Haven, Connecticut 06516, United States