A new redox site as an alternative to ferrocene to study electron transfer in self-assembled monolayers

The cyclometallated ruthenium complex [Ru(bpy)2(pp)]+ (bpy: 2,2'-bipyridine; pp: 2-(2'-ylphenyl)pyridine) was easily grafted to a omega-alkanethiol and the resulting compound was coadsorbed with 11-hydroxyundecanethiol on gold yielding a Self-Assembled Monolayer (SAM) in an analogous manne...

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Published in:Chemical communications (Cambridge, England) England), 2002-01 (17), p.1932-1933
Main Authors: Hortholary, Cédric, Minc, Freddy, Coudret, Christophe, Bonvoisin, Jacques, Launay, Jean-Pierre
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container_issue 17
container_start_page 1932
container_title Chemical communications (Cambridge, England)
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creator Hortholary, Cédric
Minc, Freddy
Coudret, Christophe
Bonvoisin, Jacques
Launay, Jean-Pierre
description The cyclometallated ruthenium complex [Ru(bpy)2(pp)]+ (bpy: 2,2'-bipyridine; pp: 2-(2'-ylphenyl)pyridine) was easily grafted to a omega-alkanethiol and the resulting compound was coadsorbed with 11-hydroxyundecanethiol on gold yielding a Self-Assembled Monolayer (SAM) in an analogous manner as for a ferrocene derivative, as shown by impedance spectroscopy; the kinetics of the heterogeneous electron transfer were shown to be very fast, compared to ferrocene, which makes this new redox site a promising candidate for further studies about molecular wires.
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Coordination chemistry
title A new redox site as an alternative to ferrocene to study electron transfer in self-assembled monolayers
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