Synthesis of palladium–polypyrrole nanocomposite and its electrocatalytic properties in the oxidation of formaldehyde

K. V. Gor’kov; E. V. Zolotukhina; E. R. Mustafina; M. A. Vorotyntsev

doi:10.1134/S1023193517010074

Article dans une revue

Synthesis of palladium–polypyrrole nanocomposite and its electrocatalytic properties in the oxidation of formaldehyde

K. V. Gor’kov ^{1, 2, *} E. V. Zolotukhina ^{3, 1, 2} E. R. Mustafina ² M. A. Vorotyntsev ^{4, 1, 2, 3}

* Auteur correspondant

1 Institute of Problems of Chemical Physics of RAS

2 Faculty of Fundamental Physical and Chemical Engineering, Moscow State University

3 Mendeleev University of Chemical Technology of Russia

4 ICMUB - Institut de Chimie Moléculaire de l'Université de Bourgogne [Dijon]

Abstract : Three alternative methods were developed for the synthesis of modifying palladium-polypyrrole layers on the surface of an inert electrode. Their electrocatalytic activity toward formaldehyde under inert atmosphere was checked. All the suggested methods are one-stage and allow synthesis of a film on the electrode surface from a solution containing a palladium salt and pyrrole in the absence of other active reagents. The electrochemical methods (potentiodynamic and double cathodic and anodic pulses techniques) in an aqueous medium give films with poorly reproducible electrocatalytic properties, while the chemical redox synthesis affords films with reproducibly high electroactivity toward methylene glycolate.

Keywords : one-stage synthesis modified electrodes nanocomposites palladium polypyrrole electrooxidation formaldehyde amperometric sensors one-pot synthesis alkaline media efficient catalyst pd nanoparticles composite sensor electrodes methanol films acid

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Article dans une revue

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Chimie

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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01562188
Contributeur : Icmub - Université de Bourgogne <>
Soumis le : jeudi 13 juillet 2017 - 16:44:08
Dernière modification le : mardi 24 novembre 2020 - 12:56:02

Synthesis of palladium–polypyrrole nanocomposite and its electrocatalytic properties in the oxidation of formaldehyde

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