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NO Reduction with CO in the Presence of O2 over Cu/Al2O3 (3) – Structural Analysis of Active Species by Means of XAFS and UV/VIS/NIR Spectroscopy |
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| Authors: | Yamamoto Takashi Tanaka Tsunehiro Suzuki Sosuke Kuma Ryoji Teramura Kentaro Kou Yuan Funabiki Takuzo Yoshida Satohiro |
| Affiliation: | (1) Department of Molecular Engineering, Kyoto University, Kyoto, 606-8501, Japan;(2) College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China |
| Abstract: | The local structure around Cu supported on Al2O3 was determined by UV/VIS/NIR and XAFS spectroscopic techniques. The relationship between catalytic performance for NO–CO–O2 reaction and the state of supported Cu species is discussed. A new method for estimating the fraction of aggregated to isolated Cu species is proposed. |
| Keywords: | NO– CO– O2 reaction Cu/Al2O3 XAFS UV/VIS/NIR Cu2+ aggregation |
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