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Potential-assisted assembly of functionalised platinum nanoparticles on electrode surfaces

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Peruffo, Massimo, Contreras-Carballada, Pablo, Bertoncello, Paolo, Williams, Rene M., De Cola, Luisa and Unwin, Patrick R. (2009) Potential-assisted assembly of functionalised platinum nanoparticles on electrode surfaces. Electrochemistry Communications, Vol.11 (No.10). pp. 1885-1887. doi:10.1016/j.elecom.2009.08.009

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Official URL: http://dx.doi.org/10.1016/j.elecom.2009.08.009

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Abstract

A method for assembling Pt nanoparticles (5 nm diameter) on indium tin oxide (ITO) and highly oriented pyrolytic graphite (HOPG) electrodes, via the potential-assisted deposition of pre-formed perthiolated-beta-cyclodextrin-capped Pt nanoparticles is described. Cyclic voltammetry allowed control over the surface coverage of monodisperse Pt nanoparticles in a simple fashion, as evidenced by the voltammetric response and atomic force microscopy of the resulting electrode surface. The Pt nanoparticle arrays formed in this way were electrocatalytically active towards proton reduction-hydrogen evolution. The methodology described thus opens up a new approach for the deposition of metal nanoparticles with controlled surface density for the investigation of electrocatalytic processes. (C) 2009 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Chemistry
Journal or Publication Title: Electrochemistry Communications
Publisher: Elsevier Inc.
ISSN: 1388-2481
Official Date: October 2009
Dates:
DateEvent
October 2009Published
Volume: Vol.11
Number: No.10
Number of Pages: 3
Page Range: pp. 1885-1887
DOI: 10.1016/j.elecom.2009.08.009
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Marie Curie Research Training Network, Intra-European Fellowship, Reintegration Grant, COST D36, Birmingham Science City, Advantage West Midlands (AWM), European Regional Development Fund (ERDF), Hydrogen-Energy Project
Grant number: MRTN-CT-2003-504233, MEIF-CT-2005-515356, ERG-2007-224899, 2

Data sourced from Thomson Reuters' Web of Knowledge

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