Comparison between CH3-(CH2)16-SH and CF3-(CF2)3-(CH2)11-SH monolayers on electrodeposited silver

Fabrice Laffineur, Denis Auguste, Fabian Plumier, Christophe Pirlot, Laszlo Hevesi, Joseph Delhalle, Zineb Mekhalif

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    Résumé

    In this paper, two monolayers self-assembled on a silver substrate are compared : a monolayer of n-hexadecanethiol and a monolayer of n-11-perfluorobutyl undecanethiol. The protecting properties of both monolayers have been extensively studied by X-ray photoelectron spectroscopy (XPS), contact angle, PM-IRRAS, conventional electrochemical techniques (polarisation curves and electrochemical impedance spectroscopy) and scanning vibrating electrode technique (SVET). Both monolayers were successfully self-assembled but organisation is slightly different, the fluorinated segment introduces small disorganisation. Nevertheless, good homogenous corrosion protection is observed for each monolayers.
    langue originaleAnglais
    Pages (de - à)3240-3245
    Nombre de pages6
    journalLangmuir
    Volume20
    Numéro de publication8
    Etat de la publicationNon publié - 2004

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