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Authordc.contributor.authorRamírez, Oscar
Authordc.contributor.authorLeal, Matías
Authordc.contributor.authorBriones Olaran, Ximena Gabriela
Authordc.contributor.authorUrzúa Acevedo, Marcela del Pilar
Authordc.contributor.authorBonardd, Sebastián
Authordc.contributor.authorSaldías, César
Authordc.contributor.authorLeiva, Angel
Cita de ítemdc.identifier.citationPolymers 2022, 14, 3782es_ES
Abstractdc.description.abstractIn this work, we report the obtaining of new hybrid nanocomposites with catalytic activity formed by nanofibers of polymer blends and gold nanoparticles. The nanofibers were obtained by electrospinning blends of a poly (ionic liquid) (PIL) and its precursor polymer, poly (4-vinyl pyridine) (P4VPy). The characteristics of the nanofibers obtained proved to be dependent on the proportion of polymer in the blends. The nanofibers obtained were used to synthesize, in situ, gold nanoparticles on their surface by two-step procedure. Firstly, the adsorption of precursor ions on the nanofibers and then their reduction with sodium borohydride to generate gold nanoparticles. The results indicated a significant improvement in the performance of PIL-containing nanofibers over pure P4VPy NFs during ion adsorption, reaching a 20% increase in the amount of adsorbed ions and a 6-fold increase in the respective adsorption constant. The catalytic performance of the obtained hybrid systems in the reduction reaction of 4-nitrophenol to 4-aminophenol was studied. Higher catalytic conversions were obtained using the hybrid nanofibers containing PIL and gold nanoparticles achieving a maximum conversion rate of 98%. Remarkably, the highest value of kinetic constant was obtained for the nanofibers with the highest PIL content.es_ES
Patrocinadordc.description.sponsorshipComision Nacional de Investigacion Cientifica y Tecnologica (CONICYT) CONICYT FONDECYT 1211124 FONDAP 15110019es_ES
Type of licensedc.rightsAttribution-NonCommercial-NoDerivs 3.0 United States*
Link to Licensedc.rights.uri*
Keywordsdc.subjectPoly ionic liquidses_ES
Keywordsdc.subjectGold nanoparticleses_ES
Keywordsdc.subjectHybrid nanocompositeses_ES
Títulodc.titleNew Hybrid Nanocomposites with Catalytic properties obtained by In situ preparation of gold nanoparticles on poly (ionic liquid)/poly (4-vinylpyridine) nanofiberses_ES
Document typedc.typeArtículo de revistaes_ES
dc.description.versiondc.description.versionVersión publicada - versión final del editores_ES
dcterms.accessRightsdcterms.accessRightsAcceso abiertoes_ES
Indexationuchile.indexArtículo de publícación WoSes_ES

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Attribution-NonCommercial-NoDerivs 3.0 United States
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 United States