1. College of Chemical Engineering Beijing University of Chemical Technology Beijing 100029 P. R. China
2. Chemical Sciences and Engineering Division Argonne National Laboratory Lemont IL 60439 USA
3. Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology School of Petrochemical Engineering Changzhou University Changzhou 213164 P. R. China
4. Changzhou Institute of Advanced Materials Beijing University of Chemical Technology Changzhou 213164 P. R. China
5. College of Environmental and Energy Engineering Beijing University of Technology Beijing 100124 P. R. China
6. X‐ray Science Division Advanced Photon Source Argonne National Laboratory Lemont IL 60439 USA
7. Key Laboratory of Advanced Reactor Engineering and Safety Ministry of Education Tsinghua University Beijing 100084 P. R. China