1. College of Science
2. China University of Petroleum
3. Qingdao
4. PR China
5. Key Laboratory of New Energy Physics & Materials Science in Universities of Shandong Province
6. State Key Laboratory of Heavy Oil Processing
7. Key Laboratory of Catalysis
8. CNPC
9. Qingdao 266580
10. Department of Physics and Materials Science
11. City University of Hong Kong
12. Hong Kong