1. State Key Laboratory of Fine Chemicals Department of Chemistry School of Chemical Engineering Dalian University of Technology Dalian 116024 China
2. State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China
3. School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore
4. Shanghai Synchrotron Radiation Facility Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201204 China
5. Laboratory of Aerospace Catalysis and New Materials Dalian Institute of Chemical Physics Chinese Academy of Science Dalian 116023 China
6. Environmental Chemistry and Materials Centre Nanyang Environment and Water Research Institute Singapore Singapore
7. CINTRA CNRS/NTU/THALSE UMI 3288 Research Techno Plaza Singapore Singapore