Magnetically Induced CO2 Methanation Using Exchange-Coupled Spinel Ferrites in Cuboctahedron-Shaped Nanocrystals
© 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim..
Magnetically induced catalysis can be promoted taking advantage of optimal heating properties from the magnetic nanoparticles to be employed. However, when unprotected, these heating agents that are usually air-sensitive, get sintered under the harsh catalytic conditions. In this context, we present, to the best of our knowledge, the first example of air-stable magnetic nanoparticles that: 1) show excellent performance as heating agents in the CO2 methanation catalyzed by Ni/SiRAlOx, with CH4 yields above 95 %, and 2) do not sinter under reaction conditions. To attain both characteristics we demonstrate, first the exchange-coupled magnetic approach as an alternative and effective way to tune the magnetic response and heating efficiency, and second, the chemical stability of cuboctahedron-shaped core-shell hard CoFe2 O4 -soft Fe3 O4 nanoparticles.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:59 |
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| Enthalten in: |
Angewandte Chemie (International ed. in English) - 59(2020), 36 vom: 01. Sept., Seite 15537-15542 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Rivas-Murias, Beatriz [VerfasserIn] |
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| Links: |
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| Themen: |
CO2 methanation |
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| Anmerkungen: |
Date Revised 07.12.2020 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/anie.202004908 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM311529070 |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. | ||
| 520 | |a Magnetically induced catalysis can be promoted taking advantage of optimal heating properties from the magnetic nanoparticles to be employed. However, when unprotected, these heating agents that are usually air-sensitive, get sintered under the harsh catalytic conditions. In this context, we present, to the best of our knowledge, the first example of air-stable magnetic nanoparticles that: 1) show excellent performance as heating agents in the CO2 methanation catalyzed by Ni/SiRAlOx, with CH4 yields above 95 %, and 2) do not sinter under reaction conditions. To attain both characteristics we demonstrate, first the exchange-coupled magnetic approach as an alternative and effective way to tune the magnetic response and heating efficiency, and second, the chemical stability of cuboctahedron-shaped core-shell hard CoFe2 O4 -soft Fe3 O4 nanoparticles | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CO2 methanation | |
| 650 | 4 | |a core-shell nanostructures | |
| 650 | 4 | |a magnetic nanoparticles | |
| 650 | 4 | |a spinel ferrite | |
| 700 | 1 | |a Asensio, Juan M |e verfasserin |4 aut | |
| 700 | 1 | |a Mille, Nicolas |e verfasserin |4 aut | |
| 700 | 1 | |a Rodríguez-González, Benito |e verfasserin |4 aut | |
| 700 | 1 | |a Fazzini, Pier-Francesco |e verfasserin |4 aut | |
| 700 | 1 | |a Carrey, Julian |e verfasserin |4 aut | |
| 700 | 1 | |a Chaudret, Bruno |e verfasserin |4 aut | |
| 700 | 1 | |a Salgueiriño, Verónica |e verfasserin |4 aut | |
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