Magnetite-supported palladium single-atoms do not catalyse the hydrogenation of alkenes but small clusters do
The activity of supported noble metal catalysts strongly depends on the particle size. The ultimate small-size limit is the single-atom catalyst (SAC), which maximizes the catalytic efficiency in the majority of the examples. Here, we investigate the catalytic behavior of Pd SACs supported on magnet...
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| Veröffentlicht in: | Catalysis science & technology 2016-01, Vol.6 (12), p.4081-4085 |
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| container_title | Catalysis science & technology |
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| creator | Rossell, Marta D. Caparrós, Francisco J. Angurell, Inmaculada Muller, Guillermo Llorca, Jordi Seco, Miquel Rossell, Oriol |
| description | The activity of supported noble metal catalysts strongly depends on the particle size. The ultimate small-size limit is the single-atom catalyst (SAC), which maximizes the catalytic efficiency in the majority of the examples. Here, we investigate the catalytic behavior of Pd SACs supported on magnetite nanoparticles and we unambiguously demonstrate that Pd SACs are absolutely inactive in the hydrogenation of various alkene substrates. Instead, Pd clusters of low atomicity exhibit outstanding catalytic performance. |
| doi_str_mv | 10.1039/C6CY00596A |
| format | Article |
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The ultimate small-size limit is the single-atom catalyst (SAC), which maximizes the catalytic efficiency in the majority of the examples. Here, we investigate the catalytic behavior of Pd SACs supported on magnetite nanoparticles and we unambiguously demonstrate that Pd SACs are absolutely inactive in the hydrogenation of various alkene substrates. 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| source | Royal Society Of Chemistry Journals; Recercat; Alma/SFX Local Collection |
| subjects | Alkenes Catalitzadors Catalysis Catalysts Clusters Compostos orgànics Cross-coupling reactions Enginyeria dels materials Enginyeria química General-approach Gold Hydrogenation Iron-oxide Magnetic materials Materials funcionals Materials magnètics Nanoparticles Noble metals Oxidation Palladium Pd catalysts Química orgànica Size Àrees temàtiques de la UPC |
| title | Magnetite-supported palladium single-atoms do not catalyse the hydrogenation of alkenes but small clusters do |
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