| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bokhoven, Jeroen A. Van
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2022Alumina-Supported NiMo Hydrotreating CatalystsAspects of 3D Structure, Synthesis, and Activitycitations
- 2022Hierarchical nature of hydrogen-based direct reduction of iron oxidescitations
- 2020Strong Promoting Effect of Gold Nanoparticles on the CO Abatement Catalytic Activity of CoO<sub>x</sub>/Clay‐Bonded SiC Catalysts Produced by AA‐MOCVD Method Using Co(acac)<sub>2</sub> as Precursorcitations
- 2018Time-resolved operando studies of carbon supported Pd nanoparticles under hydrogenation reactions by X-ray diffraction and absorptioncitations
- 2017Core-Shell Structure of Palladium Hydride Nanoparticles Revealed by Combined X-ray Absorption Spectroscopy and X-ray Diffractioncitations
Places of action
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article
Strong Promoting Effect of Gold Nanoparticles on the CO Abatement Catalytic Activity of CoO<sub>x</sub>/Clay‐Bonded SiC Catalysts Produced by AA‐MOCVD Method Using Co(acac)<sub>2</sub> as Precursor
Abstract
<jats:title>Abstract</jats:title><jats:p>Clay‐bonded SiC supported cobalt oxide catalysts were produced by the aerosol‐assisted metal organic chemical vapor deposition method (AA‐MOCVD) using Co(acac)<jats:sub>2</jats:sub> as precursor. Deposition temperatures 270 and 300 °C were the most appropriate for the synthesis of a composite catalyst of high activity for the CO conversion reaction. A cone‐shaped crystal habit is the dominant morphology. The catalysts were decorated with Au nanoparticles (NPs) of sizes in the range of 5–10 nm. This substantially improved the activity of the catalysts, lowering the onset temperature of activity by about 50 °C. Ambient‐pressure X‐ray photoelectron spectroscopy (APXPS) was used to investigate in situ the electronic state of cobalt and gold during CO oxidation. APXPS results show that while Au remains in the metallic state during the reaction, it enhances the reduction of Co<jats:sup>3+</jats:sup> to Co<jats:sup>2+</jats:sup>. Au NPs adsorb CO molecules from the gas phase and supply them to the neighbor cobalt oxide particles.</jats:p>