Search results for "Polyaminocyclodextrin Nitroarene reduction Silver nanocomposite"

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Silver nanoparticles stabilized by a polyaminocyclodextrin as catalysts for the reduction of nitroaromatic compounds

2015

Abstract Silver nanoparticles stabilized by means of poly -(6- N , N -dimethyl-propylenediamino)-(6-deoxy)-β-cyclodextrin were synthesized, characterized by different techniques (UV–vis spectroscopy, Dynamic Light Scattering, High Resolution Transmission Electron Microscopy, Fourier-transform IR Spectroscopy) and used as catalysts for the reduction of various nitrobenzene derivatives with sodium borohydride. The nanocomposites obtained appear to have an organized structure, with a metal core surrounded by a layer-structured coating shell. Kinetic data, rationalized in terms of a modified Langmuir–Hinshelwood model, evidenced a non-linear dependence of the reaction rate on the concentration …

Process Chemistry and TechnologyInduction periodInorganic chemistryInfrared spectroscopySettore CHIM/06 - Chimica OrganicaCatalysisSilver nanoparticleCatalysisReaction rateSodium borohydridechemistry.chemical_compoundDynamic light scatteringchemistryPolyaminocyclodextrin Nitroarene reduction Silver nanocompositePhysical and Theoretical ChemistryHigh-resolution transmission electron microscopyJournal of Molecular Catalysis A: Chemical

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