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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/3855

    Título
    Spectroelectrochemical synthesis of gold nanoparticles using cyclic voltammetry in the presence of a protective agen
    Autor
    Fernández Blanco, Ana CristinaUBU authority Orcid
    Heras Vidaurre, AránzazuUBU authority Orcid
    Ruiz Fernández, Virginia
    Colina Santamaría, ÁlvaroUBU authority Orcid
    Publicado en
    RSC Advances. 2014, V. 4, n. 85, p. 45168-45173
    Editorial
    Royal Society of Chemistry
    Fecha de publicación
    2014
    ISSN
    2046-2069
    DOI
    10.1039/c4ra07451c
    Abstract
    Modification of electrodes with metal nanoparticles (NPs) is attracting intense interest because of the widespread applications of these electrodes as sensors in electroanalysis. In the present study, we have analysed the electrodeposition of gold nanoparticles (Au NPs) on a platinum electrode in the presence of polyvinylpyrrolidone using UV/Vis spectroelectrochemistry, which allows us to obtain in situ evidence on the kind of nanoparticles deposited on the electrode. Under the selected experimental conditions, it has been possible to understand the reaction pathway for the synthesis of Au NPs in a voltammetry experiment. We establish that generation of NPs of a specific size is dramatically favoured during the different oxidation and reduction processes. Experiments with and without protective agents revealed that NPs generation is favoured from the first cycle when a protective agent is present in solution
    Materia
    Química analítica
    Chemistry, Analytic
    URI
    http://hdl.handle.net/10259/3855
    Versión del editor
    http://dx.doi.org/10.1039/c4ra07451c
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