1. Department of Chemical Engineering Norwegian University of Science and Technology Sem sælands vei 4 Trondheim 7034 Norway
2. State Key Laboratory of Heavy Oil Processing China University of Petroleum Qingdao Shandong 266580 P. R. China
3. Institute of Functional Nano & Soft Materials Laboratory (FUNSOM) Jiangsu Key Laboratory for Carbon‐Based Functional Materials & Devices Joint International Research Laboratory of Carbon‐Based Functional Materials and Devices Soochow University Suzhou 215123 P. R. China
4. Shanghai Synchrotron Radiation Facility Zhangjiang Lab Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201210 P. R. China
5. College of Chemistry and Chemical Engineering Xi'an Shiyou University Xi'an Shaanxi 710065 P. R. China