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Article Dans Une Revue Langmuir Année : 2018

Ultrafast Tailoring of Carbon Surfaces via Electrochemically Attached Triazolinediones

Résumé

The straightforward coupling between a triazolinedione (TAD) unit and citronellyl derivatives via an Alder-ene reaction has been exploited to tailor the physicochemical surface properties of glassy carbon (GC) surfaces in an ultrafast and additive-free manner. For this purpose, we first covalently grafted a TAD precursor onto GC via electrochemical reduction of an in situ generated diazonium salt, which was then electrochemically oxidized into the desired GC-bonded TAD unit. A kinetic study of the modification of this reactive layer with an electroactive ferrocene probe proved that a complete functionalization was obtained in merely 1 minute. Further modification experiments with a fluorinated probe demonstrated that the surface properties can be swiftly tailored on demand. The different modification steps, as well as the efficiency of this strategy, were investigated by electrochemistry, contact angle goniometry, and X-ray photoelectron spectroscopy analysis.

Dates et versions

hal-04287402 , version 1 (15-11-2023)

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William Laure, Kevin de Bruycker, Pieter Espeel, David Fournier, Patrice Woisel, et al.. Ultrafast Tailoring of Carbon Surfaces via Electrochemically Attached Triazolinediones. Langmuir, 2018, Langmuir, 34, pp.2397-2402. ⟨10.1021/acs.langmuir.7b03363⟩. ⟨hal-04287402⟩
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