1. State Key Laboratory of Organic−Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
2. State Key Laboratory of Heavy Oil Processing, China University of Petroleum (Beijing), Beijing 102249, P. R. China
3. School of Chemical Engineering, The University of Adelaide, Adelaide SA 5005, Australia
4. Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan
5. Key Laboratory of Coal Science and Technology of Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, P. R. China