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One-Pot in Situ Mixed Film Formation by Azo Coupling and Diazonium Salt Electrografting

Authors

  • Dr. Charles Esnault,

    Corresponding author
    1. Institut des Molécules et Matériaux du Mans IMMM, UMR CNRS 6283, Université du Maine, Av. Olivier Messiaen, 72085 Le Mans Cedex 9 (France)
    • Institut des Molécules et Matériaux du Mans IMMM, UMR CNRS 6283, Université du Maine, Av. Olivier Messiaen, 72085 Le Mans Cedex 9 (France)

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  • Dr. Nicolas Delorme,

    1. Institut des Molécules et Matériaux du Mans IMMM, UMR CNRS 6283, Université du Maine, Av. Olivier Messiaen, 72085 Le Mans Cedex 9 (France)
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  • Prof. Guy Louarn,

    1. Institut des Matériaux Jean Rouxel (IMN), CNRS-Université de Nantes, BP32229, 2 rue de la Houssinière, Nantes 44322 (France)
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  • Prof. Jean-François Pilard

    1. Institut des Molécules et Matériaux du Mans IMMM, UMR CNRS 6283, Université du Maine, Av. Olivier Messiaen, 72085 Le Mans Cedex 9 (France)
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Abstract

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So simple: The in situ synthesis of an aryldiazonium salt and an azo-aryldiazonium salt by azo coupling from sulfanilic acid and aniline is reported. Formation of a mixed organic layer is monitored by cyclic voltammetry and atomic force microscopy. A compact mixed layer is obtained with a global roughness of 0.4 nm and 10–15 % vertical extension in the range 1.5–6 nm.

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