1. State Key Laboratory of Fine Chemicals
2. School of Chemical Engineering
3. Dalian University of Technology
4. Dalian 116024
5. P. R. China
6. Shanghai Synchrotron Radiation Facility
7. Shanghai Institute of Applied Physics, Chinese Academy of Sciences
8. Shanghai
9. China
10. Max-Planck-Institut für Kohlenforschung
11. D-45470 Mülheim an der Ruhr
12. Germany