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A Supramolecular Hydrogen‐Bonded Network as a Diffusion Barrier for Metal Adatoms
Authors:Christophe Silien Dr  Minna?T Räisänen Dr  Manfred Buck Dr
Institution:EaStCHEM School of Chemistry, University of St Andrews, North Haugh (UK), Fax: (+44)?1334‐463‐808, http://ch‐www.st‐andrews.ac.uk/eastchem/profiles/sta/buck.html
Abstract:Confined in a molecular corral : A supramolecular network changes the mechanism by which underpotential deposition (UPD) of copper proceeds on a gold electrode modified by a self‐assembled monolayer (SAM). Lateral diffusion of Cu adatoms is suppressed between adjacent cells of a network/SAM hybrid structure. Instead, UPD occurs by direct deposition into the SAM filled pores of the network, where the Cu adatoms are confined.
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Keywords:electrochemistry  self‐assembly  monolayers  supramolecular chemistry  surface chemistry
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