Characterization of Zn centers in ZSM-5 zeolites with X-ray absorption spectroscopy |
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| Affiliation: | 1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China;4. College of Chemistry, College of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450000, China;5. Low-Carbon Conversion Science and Engineering Center, Shanghai Advanced Research Institute, Chinese Academy of Science, Shanghai 201210, China;6. Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, China;1. School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, PR China;2. Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;3. Electro-Materials Research Laboratory, Centre for Nanoscience and Technology, Pondicherry University, Puducherry 605014, India;4. School of Materials Science and Engineering, Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou University, Zhengzhou 450002, PR China;1. UNSW Water Research Centre, School of Civil and Environmental Engineering, UNSW Australia, Sydney, NSW 2052, Australia;2. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA 99336, USA;3. Southern Cross Geoscience, Southern Cross University, PO Box 157, Lismore, NSW 2480, Australia;4. X-ray Absorption Spectroscopy Beamline, Australian Synchrotron Company Ltd, 800 Blackburn Rd, Clayton, VIC 3168, Australia |
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| Abstract: | In the analysis of Zn K XANES of a ZnO + Na-ZSM-5 zeolite, the appearance of a solid state ion exchange reaction was shown. The ZSM-5 zeolites modifed by zinc exhibit enhanced catalytic activity. |
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