Fully Reversible Metal Deactivation Effects in Gold/Ceria-Zirconia Catalysts: Role of the Redox State of the Support
Strong and reversible modification of the chemical properties of supported Au nanoparticles caused by alternating oxidizing (a and c) and reducing (b) pretreatment of Au/CeO2–ZrO2 catalysts were revealed by a methodology that combines FTIR spectroscopy (see picture), studies on the volumetric adsorp...
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| Veröffentlicht in: | Angewandte Chemie (International ed.) 2010-12, Vol.49 (50), p.9744-9748 |
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| container_end_page | 9748 |
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| container_issue | 50 |
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| container_title | Angewandte Chemie (International ed.) |
| container_volume | 49 |
| creator | Cíes, José M del Río, Eloy López-Haro, Miguel Delgado, Juan J Blanco, Ginesa Collins, Sebastián Calvino, José J Bernal, Serafín |
| description | Strong and reversible modification of the chemical properties of supported Au nanoparticles caused by alternating oxidizing (a and c) and reducing (b) pretreatment of Au/CeO2–ZrO2 catalysts were revealed by a methodology that combines FTIR spectroscopy (see picture), studies on the volumetric adsorption of CO and ultimate oxygen storage capacity, determination of metal dispersion by electron microscopy, and X‐ray photoelectron spectroscopy. |
| doi_str_mv | 10.1002/anie.201005002 |
| format | Article |
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| ispartof | Angewandte Chemie (International ed.), 2010-12, Vol.49 (50), p.9744-9748 |
| issn | 1433-7851 1521-3773 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | carbon monoxide ceria-zirconia chemisorption gold supported catalysts |
| title | Fully Reversible Metal Deactivation Effects in Gold/Ceria-Zirconia Catalysts: Role of the Redox State of the Support |
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