Electrosynthesis, Characterization and Electrocatalytic Behaviour of Organic-Metal Thin-Films Based on 2,2’-Bithiophene-5-carboxylic Acid and Metal Ions — Oak Academic Publishing
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Electrosynthesis, Characterization and Electrocatalytic Behaviour of Organic-Metal Thin-Films Based on 2,2’-Bithiophene-5-carboxylic Acid and Metal Ions
Département de Génie des Procédés, Faculté de Technologie, Université de Sétif, Sétif, Algeria
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Département de Génie des Procédés, Faculté de Technologie, Université de Sétif, Sétif, Algeria
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Laboratoire Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris, Paris, France
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Laboratoire Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris, Paris, France
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Laboratoire Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris, Paris, France
1 Département de Génie des Procédés, Faculté de Technologie, Université de Sétif, Sétif, Algeria
2 Département de Génie des Procédés, Faculté de Technologie, Université de Sétif, Sétif, Algeria
3 Laboratoire Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris, Paris, France
4 Laboratoire Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris, Paris, France
5 Laboratoire Interfaces, Traitements, Organisation et Dynamique des Systèmes, Université Paris, Paris, France
2,2’-Bithiophene-5-carboxylic acid (BTA) thin-films on platinum (Pt) electrodes were electrochemically prepared in acetonitrile solution containing 0.1 M tetrabutylammonium perchlorate (TBAP) and 0.05 M BTA. These films were complexes with several metal ions such as Cu 2+ , Ag + and Co 2+ . Their structural characteristics were compared with those of powder complexes chemically prepared from BTA and the corresponding metal ion. IR and XPS techniques reveal that the film complex es with metal ions have the same structures as the corresponding powder complexes. The electrocatalytic activity of BTA film-metal ions has been investigated toward ascorbic acid (AA) oxidation and compared to that obtained on a free BTA film. BTA film-metal ions exhibit good catalytic proprieties and better detection of AA than a free BTA film. This new propriety allows these films to be used as electrochemical sensors. This electronic document is a “live” template. The various components of your paper [title, text, heads, etc.] are already defined on the style sheet, as illustrated by the portions given in this document.
Keywords22’-Bithiophene-5-carboxylic AcidMetal IonsCyclic VoltammetryIR and XPSElectrocatalytic ActivityAscorbic Acid
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