Self-induced “electroclick” immobilization of a copper complex onto self-assembled monolayers on a gold electrode

Antoine Gomila; Nicolas Le Poul; Nathalie Cosquer; Jean-Michel Kerbaol; Jean-Marc Noël; Madhusudana T. Reddy; Ivan Jabin; Olivia Reinaud; Francoise Conan; Yves Le Mest

doi:10.1039/C0DT01093F

Self-induced “electroclick” immobilization of a copper complex onto self-assembled monolayers on a goldelectrode†

Antoine Gomila,^a Nicolas Le Poul,^a Nathalie Cosquer,^a Jean-Michel Kerbaol,^a Jean-Marc Noël,^a Madhusudana T. Reddy,^a Ivan Jabin,^b Olivia Reinaud,^c Francoise Conan*^a and Yves Le Mest*^a

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* Corresponding authors

^a Laboratoire de Chimie, Electrochimie Moléculaires et Chimie Analytique, Université de Brest, UMR 6521 CNRS, Brest, France

^b Laboratoire de Chimie Organique, Université Libre de Bruxelles (U.L.B.), Brussels, Belgium

^c Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, Université Paris Descartes, UMR 8601 CNRS, Paris, France

Abstract

We report the self-induced “electroclick” immobilization of the [Cu^II(6-ethynyl-TMPA)(H₂O)]²⁺ complex, by its simple electro-reduction, onto a mixed azidoundodecane-/decane-thiol modified gold electrode. The redox response of the grafted [Cu^II^/^I(TMPA)] at the modified electrode is fully reversible indicating no Cu coordination change and a fast electron transfer.

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Self-induced “electroclick” immobilization of a copper complex onto self-assembled monolayers on a goldelectrode†

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Self-induced “electroclick” immobilization of a copper complex onto self-assembled monolayers on a gold electrode

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