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Copper nanoparticle heterogeneous catalytic 'click' cycloaddition confirmed by single-molecule spectroscopy

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Copper nanoparticle heterogeneous catalytic 'click' cycloaddition confirmed by single-molecule spectroscopy

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dc.contributor.author Decan, Matthew R es_ES
dc.contributor.author Impellizzeri, Stefania es_ES
dc.contributor.author Marín García, Mª Luisa es_ES
dc.contributor.author SCAIANO, J. es_ES
dc.date.accessioned 2016-03-03T11:53:26Z
dc.date.available 2016-03-03T11:53:26Z
dc.date.issued 2014-08
dc.identifier.issn 2041-1723
dc.identifier.uri http://hdl.handle.net/10251/61400
dc.description.abstract Colloidal or heterogeneous nanocatalysts can improve the range and diversity of Cu(I)catalysed click reactions and facilitate catalyst separation and reuse. Catalysis by metal nanoparticles raises the question as to whether heterogeneous catalysts may cause homogeneous catalysis through metal ion leaching, since the catalytic process could be mediated by the particle, or by metal ions released from it. The question is critical as unwanted homogeneous processes could offset the benefits of heterogeneous catalysis. Here, we combine standard bench scale techniques with single-molecule spectroscopy to monitor single catalytic events in real time and demonstrate that click catalysis occurs directly at the surface of copper nanoparticles; this general approach could be implemented in other systems. We use 'from the mole to the molecule' to describe this emerging idea in which mole scale reactions can be optimized through an intimate understanding of the catalytic process at the single-molecule-single catalytic nanoparticle level. es_ES
dc.description.sponsorship The Natural Sciences and Engineering Research Council of Canada supported this work through its Discovery and CREATE programs, while the Canadian Foundation for Innovation enabled the purchase of the instrumentation used in this work. M. L. M. thanks the Spanish Ministerio de Educacion, Cultura y Deporte (Programa Salvador de Madariaga) for its financial support. en_EN
dc.language Inglés es_ES
dc.publisher Nature Publishing Group: Nature Communications es_ES
dc.relation.ispartof Nature Communications es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject PARTICLE FLUORESCENCE MICROSCOPY es_ES
dc.subject AZIDE-ALKYNE CYCLOADDITION es_ES
dc.subject TERMINAL ALKYNES es_ES
dc.subject MULTICOMPONENT SYNTHESIS es_ES
dc.subject MECHANISTIC INSIGHTS es_ES
dc.subject GOLD NANOPARTICLES es_ES
dc.subject HIGH-RESOLUTION es_ES
dc.subject CHEMISTRY es_ES
dc.subject REACTIVITY es_ES
dc.subject DYNAMICS es_ES
dc.subject.classification QUIMICA ANALITICA es_ES
dc.subject.classification QUIMICA ORGANICA es_ES
dc.title Copper nanoparticle heterogeneous catalytic 'click' cycloaddition confirmed by single-molecule spectroscopy es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1038/ncomms5612
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Química - Departament de Química es_ES
dc.description.bibliographicCitation Decan, MR.; Impellizzeri, S.; Marín García, ML.; Scaiano, J. (2014). Copper nanoparticle heterogeneous catalytic 'click' cycloaddition confirmed by single-molecule spectroscopy. Nature Communications. 5:4612-4615. doi:10.1038/ncomms5612 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1038/ncomms5612 es_ES
dc.description.upvformatpinicio 4612 es_ES
dc.description.upvformatpfin 4615 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 5 es_ES
dc.relation.senia 279830 es_ES
dc.contributor.funder Natural Sciences and Engineering Research Council of Canada es_ES
dc.contributor.funder Ministerio de Educación, Cultura y Deporte es_ES
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