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Issue 3, 2020
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Cation and anion electrochemically assisted solid-state transformations of malachite green

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Abstract

The possibility of the electrochemical promotion of different solid-to-solid transformations including the performance of successive cation and anion insertion processes has been tested using malachite green, a triphenylmethane dye, in contact with aqueous NaCl electrolyte. Electrochemical data using the voltammetry of microparticles methodology reveal significant differences with the solution phase electrochemistry of the dye. Voltammetric data, combined with atomic force microscopy, focusing ion beam-field emission scanning electron microscopy, and high-resolution field emission scanning electron microscopy permit characterization of the oxidative dissolution, oxidation with anion insertion, reduction with cation insertion and reduction with anion issue processes, whose thermochemical aspects, involving separate ion and electron transport contributions, are discussed.

Graphical abstract: Cation and anion electrochemically assisted solid-state transformations of malachite green

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Article information


Submitted
28 Oct 2019
Accepted
13 Dec 2019
First published
14 Dec 2019

Phys. Chem. Chem. Phys., 2020,22, 1502-1510
Article type
Paper

Cation and anion electrochemically assisted solid-state transformations of malachite green

A. Doménech-Carbó, D. Dias and M. T. Doménech-Carbó, Phys. Chem. Chem. Phys., 2020, 22, 1502
DOI: 10.1039/C9CP05835D

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