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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/4832

    Título
    Electrochemical surface oxidation enhanced Raman scattering
    Autor
    Perales Rondon, Juan VíctorAutoridad UBU Orcid
    Hernández Muñoz, SheilaAutoridad UBU Orcid
    Martin Yerga, Daniel .
    Fanjul Bolado, Pablo .
    Heras Vidaurre, AránzazuAutoridad UBU Orcid
    Colina Santamaría, ÁlvaroAutoridad UBU Orcid
    Publicado en
    Electrochimica Acta. 2018, V. 282, p. 377-383
    Editorial
    Elsevier
    Fecha de publicación
    2018-08
    ISSN
    0013-4686
    DOI
    10.1016/j.electacta.2018.06.079
    Résumé
    In this work, an unexpected enhancement of the Raman signal for uric acid during the electrochemical oxidation of a silver electrode is presented. This behavior cannot be easily explained using classical models of Surface Enhanced Raman Scattering (SERS). Time resolved Raman spectroelectrochemistry is used to study this interesting process strongly dependent on the experimental conditions. The new phenomenon was observed in different molecules and was found to be reproducible and robust, allowing us to use this methodology for the determination of citric acid. The enhancement of the Raman signal only takes place when a potential is applied to the electrode and therefore, this new phenomenon can be denoted as Electrochemical Surface Oxidation Enhanced Raman Scattering (EC-SOERS). In this work, EC-SOERS is presented not only as an alternative to SERS for detection of molecules but also as a reproducible process that can be used for quantitative analysis.
    Palabras clave
    SERS
    Silver roughening
    Raman spectroelectrochemistry
    PARAFAC
    Materia
    Química analítica
    Chemistry, Analytic
    URI
    http://hdl.handle.net/10259/4832
    Versión del editor
    https://doi.org/10.1016/j.electacta.2018.06.079
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    Attribution-NonCommercial-NoDerivatives 4.0 International
    Documento(s) sujeto(s) a una licencia Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
    Fichier(s) constituant ce document
    Nombre:
    Perales-EA_2018.pdf
    Tamaño:
    3.340Mo
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