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Structural modulation and direct measurement of subnanometric bimetallic PtSn clusters confined in zeolites

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Structural modulation and direct measurement of subnanometric bimetallic PtSn clusters confined in zeolites

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dc.contributor.author Liu, Lichen es_ES
dc.contributor.author Lopez-Haro, Miguel es_ES
dc.contributor.author Lopes, Christian W. es_ES
dc.contributor.author Rojas-Buzo, Sergio es_ES
dc.contributor.author Concepción Heydorn, Patricia es_ES
dc.contributor.author Manzorro, Ramon es_ES
dc.contributor.author Simonelli, Laura es_ES
dc.contributor.author Sattler, Aaron es_ES
dc.contributor.author Serna, Pedro es_ES
dc.contributor.author Calvino, Jose J. es_ES
dc.contributor.author Corma Canós, Avelino es_ES
dc.date.accessioned 2021-09-11T03:31:12Z
dc.date.available 2021-09-11T03:31:12Z
dc.date.issued 2020-08 es_ES
dc.identifier.uri http://hdl.handle.net/10251/172142
dc.description.abstract [EN] Modulating the structures of subnanometric metal clusters at the atomic level is a great synthetic and characterization challenge in catalysis. Here, we show how the catalytic properties of subnanometric platinum clusters (0.5-0.6 nm) confined in the sinusoidal 10R channels of purely siliceous MFI zeolite are modulated upon introduction of partially reduced tin species that interact with the noble metal at the metal/support interface. The platinum-tin clusters are stable in H(2)over an extended period of time (>6 h), even at high temperatures (for example, 600 degrees C), which is determined by only a few additional tin atoms added to the platinum clusters. The structural features of platinum-tin clusters, which are not immediately visible by conventional characterization techniques but can be established after combination of in situ extended X-ray absorption fine structure, high-angle annular dark-field scanning transmission electron microscopy and CO infrared data, are key to providing a one-order of magnitude lower deactivation rate in the propane dehydrogenation reaction while maintaining high intrinsic (initial) catalytic activity es_ES
dc.description.sponsorship This work was supported by the European Union through the European Research Council (grant ERC-AdG-2014-671093, SynCatMatch) and the Spanish government through the "Severo Ochoa Program" (SEV-2016-0683). L.L. thanks the ITQ for providing a contract. The authors also thank the Microscopy Service of the UPV for the TEM and STEM measurements. The XAS measurements were carried out in the CLAESS beamline of the ALBA synchrotron. We thank Giovanni Agostini for his kind support in the analysis of XAS data. HR-HAADF-STEM measurements were performed at DME-UCA at Cadiz University with financial support from FEDER/MINECO (MAT2017-87579-R and MAT2016-81118-P). C.W.L. thanks CAPES (Science without Frontiers -Process no. 13191/13-6) for a predoctoral fellowship. The financial support from ExxonMobil for this project is also greatly acknowledged. es_ES
dc.language Inglés es_ES
dc.publisher Nature Publishing Group es_ES
dc.relation.ispartof Nature Catalysis es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject.classification QUIMICA ORGANICA es_ES
dc.title Structural modulation and direct measurement of subnanometric bimetallic PtSn clusters confined in zeolites es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1038/s41929-020-0472-7 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/671093/EU/MATching zeolite SYNthesis with CATalytic activity/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/CAPES//13191%2F13-6/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//SEV-2016-0683/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MAT2017-87579-R/ES/FASES 2D ULTRAFINAS SOBRE OXIDOS CON MORFOLOGIA CONTROLADA: PLATAFORMA DE NANOCATALIZADORES MULTICOMPONENTE CON APLICACIONES EN PROTECCION DEL MEDIO AMBIENTE/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//MAT2016-81118-P/ES/DISEÑO Y CARACTERIZACION AVANZADA DE CATALIZADORES CON NANOINTERFASES MODELO AU%2F%2FCEO2/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario Mixto de Tecnología Química - Institut Universitari Mixt de Tecnologia Química es_ES
dc.description.bibliographicCitation Liu, L.; Lopez-Haro, M.; Lopes, CW.; Rojas-Buzo, S.; Concepción Heydorn, P.; Manzorro, R.; Simonelli, L.... (2020). Structural modulation and direct measurement of subnanometric bimetallic PtSn clusters confined in zeolites. Nature Catalysis. 3(8):628-638. https://doi.org/10.1038/s41929-020-0472-7 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1038/s41929-020-0472-7 es_ES
dc.description.upvformatpinicio 628 es_ES
dc.description.upvformatpfin 638 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 3 es_ES
dc.description.issue 8 es_ES
dc.identifier.eissn 2520-1158 es_ES
dc.relation.pasarela S\433991 es_ES
dc.contributor.funder European Research Council es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
dc.contributor.funder European Regional Development Fund es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Coordenaçao de Aperfeiçoamento de Pessoal de Nível Superior, Brasil es_ES
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