Electrochemical, Electrocatalytic, and Magnetic Properties of Vanadium-Containing Polyoxometalates - Université Paris-Saclay Access content directly
Journal Articles Magnetochemistry Year : 2021

Electrochemical, Electrocatalytic, and Magnetic Properties of Vanadium-Containing Polyoxometalates

Abstract

Mono-substituted vanadium-containing Dawson-type polyoxometalates having the general formula α1-[VIVW17X2O62]8− and α2-[VIVW17X2O62]8−, with X = As or P, were synthesised and subject to a comprehensive electrochemical study comprising the pH dependency. These POMs exhibit an electrocatalytic behaviour towards the oxidation of thiols (namely cysteine), rendering them interesting species for mimicking oxidative stress situations, at physiological pH values. The efficiency of the electro-oxidation was assessed with thiols of different nature, and the substrate that responded best was used to compare the electrocatalytic capabilities of the POM series. The magnetic behaviour of these POMs was also evaluated and compared to their analogues, α1- and α2-[VVW17X2O62]7− (X = As or P), at low temperatures and showed, as expected, a paramagnetic behaviour of VIV based compounds.

Dates and versions

hal-04039845 , version 1 (21-03-2023)

Identifiers

Cite

Joseph Dika Manga, Anne-Lucie Teillout, Eric Rivière, Pedro de Oliveira, Israël Martyr Mbomekallé. Electrochemical, Electrocatalytic, and Magnetic Properties of Vanadium-Containing Polyoxometalates. Magnetochemistry, 2021, 7 (12), pp.157. ⟨10.3390/magnetochemistry7120157⟩. ⟨hal-04039845⟩
11 View
0 Download

Altmetric

Share

Gmail Facebook X LinkedIn More