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Generation of subnanometric platinum with high stability during transformation of a 2D zeolite into 3D

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Generation of subnanometric platinum with high stability during transformation of a 2D zeolite into 3D

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dc.contributor.author Liu, Lichen es_ES
dc.contributor.author Díaz Morales, Urbano Manuel es_ES
dc.contributor.author Arenal, Raul es_ES
dc.contributor.author Agostini, Giovanni es_ES
dc.contributor.author Concepción Heydorn, Patricia es_ES
dc.contributor.author Corma Canós, Avelino es_ES
dc.date.accessioned 2018-07-09T06:40:56Z
dc.date.available 2018-07-09T06:40:56Z
dc.date.issued 2017 es_ES
dc.identifier.issn 1476-1122 es_ES
dc.identifier.uri http://hdl.handle.net/10251/105532
dc.description.abstract [EN] Single metal atoms and metal clusters have attracted much attention thanks to their advantageous capabilities as heterogeneous catalysts. However, the generation of stable single atoms and clusters on a solid support is still challenging. Herein, we report a new strategy for the generation of single Pt atoms and Pt clusters with exceptionally high thermal stability, formed within purely siliceous MCM-22 during the growth of a two-dimensional zeolite into three dimensions. These subnanometric Pt species are stabilized by MCM-22, even after treatment in air up to 540 degrees C. Furthermore, these stable Pt species confined within internal framework cavities show size-selective catalysis for the hydrogenation of alkenes. High-temperature oxidation-reduction treatments result in the growth of encapsulated Pt species to small nanoparticles in the approximate size range of 1 to 2 nm. The stability and catalytic activity of encapsulated Pt species is also reflected in the dehydrogenation of propane to propylene. es_ES
dc.description.sponsorship This work was funded by the Spanish Government (Consolider Ingenio 2010-MULTICAT (CSD2009-00050) and MAT2014-52085-C2-1-P) and by the Generalitat Valenciana (Prometeo). The Severo Ochoa Program (SEV-2012-0267) is gratefully acknowledged. L.L. thanks ITQ for a contract. The authors also thank the Microscopy Service of UPV for the TEM and STEM measurements. The HAADF-HRSTEM works were conducted in the Laboratorio de Microscopias Avanzadas (LMA) at the Instituto de Nanociencia de Aragon (INA)-Universidad de Zaragoza (Spain), a Spanish ICTS National Facility. Some of the research leading to these results has received funding from the European Union Seventh Framework Program under Grant Agreement 312483-ESTEEM2 (Integrated Infrastructure Initiative-I3). R.A. also acknowledges funding from the Spanish Ministerio de Economia y Competitividad (FIS2013-46159-C3-3-P) and the European Union Horizon 2020 research and innovation programme under the Marie Sldodowska-Curie grant agreement No. 642742. es_ES
dc.language Inglés es_ES
dc.publisher Nature Publishing Group es_ES
dc.relation.ispartof Nature Materials es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject.classification QUIMICA ORGANICA es_ES
dc.title Generation of subnanometric platinum with high stability during transformation of a 2D zeolite into 3D es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1038/NMAT4757 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/312483/EU/Enabling Science and Technology through European Electron Microscopy/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//CSD2009-00050/ES/Desarrollo de catalizadores más eficientes para el diseño de procesos químicos sostenibles y produccion limpia de energia/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/642742/EU/Graphene-based nanomaterials for touchscreen technologies: Comprehension, Commerce and Communication/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//MAT2014-52085-C2-1-P/ES/NUEVOS MATERIALES CON DIFERENTES CENTROS ACTIVOS INCORPORADOS EN POSICIONES ESPECIFICAS DE LA RED Y SU APLICACION PARA PROCESOS CATALITICOS MULTI-ETAPA Y NANOTECNOLOGICOS/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/642742/
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//SEV-2012-0267/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//FIS2013-46159-C3-3-P/ES/DESARROLLOS FUNDAMENTALES EN LA SIMULACION Y CARACTERIZACION DE PROCESOS DINAMICOS FUERA DEL EQUILIBRIO EN SISTEMAS MOLECULARES: MATERIALES PARA APLICACIONES ENERGETICAS/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.description.bibliographicCitation Liu, L.; Díaz Morales, UM.; Arenal, R.; Agostini, G.; Concepción Heydorn, P.; Corma Canós, A. (2017). Generation of subnanometric platinum with high stability during transformation of a 2D zeolite into 3D. Nature Materials. 16(1):132-138. https://doi.org/10.1038/NMAT4757 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1038/NMAT4757 es_ES
dc.description.upvformatpinicio 132 es_ES
dc.description.upvformatpfin 138 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 16 es_ES
dc.description.issue 1 es_ES
dc.relation.pasarela S\358565 es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Ministerio de Ciencia, Innovación y Universidades es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder European Commission
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