Article (Scientific journals)
Electro-assisted assembly of aliphatic thiol, dithiol and dithiocarboxylic acid monolayers on copper
Maho, Anthony; Denayer, Jessica; Delhalle, J. et al.
2011In Electrochimica Acta, 56 (11), p. 3954-3962
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Keywords :
Alkanethiol; Copper; Dithiocarboxylic acid; Electro-assisted assembly; Adherent films; Adsorption process; Aliphatic thiols; Alkanethiols; Alkylthiols; Anchoring groups; Cathodic desorption; Copper substrates; Dithiocarboxylic acids; Dithiols; Electrochemical studies; Molecular assembly; Organothiol molecules; PM-IRRAS; Polycrystalline copper; Protective properties; Sams; Spectroscopic characterization; XPS; Adsorption; Cathodic polarization; Desorption; Monolayers
Abstract :
[en] Molecular assemblies of organothiol molecules on polycrystalline copper surfaces are a well known process to confer them specific organizational and protective properties. In this paper, an original and promising approach is considered through an electro-assisted adsorption process via a cathodic polarization of the copper substrate. Spectroscopic characterizations (PM-IRRAS, XPS) and electrochemical studies (CV, LSV, cathodic desorption, SECM) highlight and confirm the benefits brought by this methodology in terms of resulting SAMs features and considerable savings of preparation time. In addition to normal alkylthiols with a monopod anchoring group, alkyldithiocarboxylic acid and alkyldithiol monolayers - both bipodal - are characterized with the prospect of forming either easier to remove or more adherent films, respectively. © 2011 Elsevier Ltd. All rights reserved.
Disciplines :
Chemistry
Author, co-author :
Maho, Anthony  ;  Laboratory of Chemistry and Electrochemistry of Surfaces, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, B-5000 Namur, Belgium, Fonds Pour la Formation À la Recherche dans l'Industrie et dans l'Agriculture, Rue d'Egmont 5, B-1000 Bruxelles, Belgium
Denayer, Jessica ;  Université de Liège - ULiège > Département de chimie (sciences) > LCIS - GreenMAT
Delhalle, J.;  Laboratory of Chemistry and Electrochemistry of Surfaces, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, B-5000 Namur, Belgium
Mekhalif, Z.;  Laboratory of Chemistry and Electrochemistry of Surfaces, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, B-5000 Namur, Belgium, Laboratory of Chemistry and Electrochemistry of Surfaces, University of Namur, Rue de Bruxelles 61, B-5000 Namur, Belgium
Language :
English
Title :
Electro-assisted assembly of aliphatic thiol, dithiol and dithiocarboxylic acid monolayers on copper
Publication date :
2011
Journal title :
Electrochimica Acta
ISSN :
0013-4686
Publisher :
Pergamon Press - An Imprint of Elsevier Science
Volume :
56
Issue :
11
Pages :
3954-3962
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 14 February 2013

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