Evolution and stabilization of subnanometric metal species in confined space by in situ TEM
Liu, L. ; Zakharov, D.N. ; Arenal, R. (Universidad de Zaragoza) ; Concepcion, P. ; Stach, E.A. ; Corma, A.
Resumen: Understanding the behavior and dynamic structural transformation of subnanometric metal species under reaction conditions will be helpful for understanding catalytic phenomena and for developing more efficient and stable catalysts based on single atoms and clusters. In this work, the evolution and stabilization of subnanometric Pt species confined in MCM-22 zeolite has been studied by in situ transmission electron microscopy (TEM). By correlating the results from in situ TEM studies and the results obtained in a continuous fix-bed reactor, it has been possible to delimitate the factors that control the dynamic agglomeration and redispersion behavior of metal species under reaction conditions. The dynamic reversible transformation between atomically dispersed Pt species and clusters/nanoparticles during CO oxidation at different temperatures has been elucidated. It has also been confirmed that subnanometric Pt clusters can be stabilized in MCM-22 crystallites during NO reduction with CO and H2.
Idioma: Inglés
DOI: 10.1038/s41467-018-03012-6
Año: 2018
Publicado en: Nature Communications 9, 1 (2018), [10 pp]
ISSN: 2041-1723
Factor impacto JCR: 11.878 (2018)
Categ. JCR: MULTIDISCIPLINARY SCIENCES rank: 5 / 69 = 0.072 (2018) - Q1 - T1
Factor impacto SCIMAGO: 5.992 - Biochemistry, Genetics and Molecular Biology (miscellaneous) (Q1) - Physics and Astronomy (miscellaneous) (Q1) - Chemistry (miscellaneous) (Q1)
Financiación: info:eu-repo/grantAgreement/EC/H2020/671093/EU/MATching zeolite SYNthesis with CATalytic activity/SynCatMatch
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2016-79776-P
Financiación: info:eu-repo/grantAgreement/ES/MINECO/SEV-2016-0683
Tipo y forma: Article (Published version)
Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
Exportado de SIDERAL (2019-11-26-13:40:59)
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Idioma: Inglés
DOI: 10.1038/s41467-018-03012-6
Año: 2018
Publicado en: Nature Communications 9, 1 (2018), [10 pp]
ISSN: 2041-1723
Factor impacto JCR: 11.878 (2018)
Categ. JCR: MULTIDISCIPLINARY SCIENCES rank: 5 / 69 = 0.072 (2018) - Q1 - T1
Factor impacto SCIMAGO: 5.992 - Biochemistry, Genetics and Molecular Biology (miscellaneous) (Q1) - Physics and Astronomy (miscellaneous) (Q1) - Chemistry (miscellaneous) (Q1)
Financiación: info:eu-repo/grantAgreement/EC/H2020/671093/EU/MATching zeolite SYNthesis with CATalytic activity/SynCatMatch
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2016-79776-P
Financiación: info:eu-repo/grantAgreement/ES/MINECO/SEV-2016-0683
Tipo y forma: Article (Published version)
Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. You may not use the material for commercial purposes. If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original. Exportado de SIDERAL (2019-11-26-13:40:59)
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Articles > Artículos por área > Física de la Materia Condensada
Record created 2018-03-19, last modified 2019-11-26