Publication

Conductive metal-oxide nanoparticles on synthetic boron-doped diamond surfaces

Christos Comninellis, Ilaria Duo
2003
Book Chapters

Abstract

The electrochem. properties of IrO2 and RuO2 nanoparticles, deposited on synthetic B-doped diamond (BDD) surfaces, are discussed. After a description of the prepn. procedure and the morphol. characterization of BDD/IrO2 and BDD/RuO2 samples, the dispersion efficiency of these oxides on BDD was estd. for different loading, using cyclic voltammetry. The electrochem. behavior of 1,4-benzoquinone/hydroquinone redox couple, oxygen evolution, and orgs. oxidn. reactions were studied at BDD/IrO2 samples; in turn, the chlorine evolution reaction was studied at BDD/RuO2 electrodes. Noncatalytic and catalytic models are proposed to explain the modification of the electrochem. behavior of BDD by low- and high-oxide loading, resp. [on SciFinder (R)]

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https://infoscience.epfl.ch/entities/publication/67080746-4c7a-4282-80d8-3ffb26358788

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Christos Comninellis, Ilaria Duo
2003
Book Chapters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/67080746-4c7a-4282-80d8-3ffb26358788

About this result

Related concepts (32)

Cyclic voltammetry

In electrochemistry, cyclic voltammetry (CV) is a type of potentiodynamic measurement. In a cyclic voltammetry experiment, the working electrode potential is ramped linearly versus time. Unlike in linear sweep voltammetry, after the set potential is reached in a CV experiment, the working electrode's potential is ramped in the opposite direction to return to the initial potential. These cycles of ramps in potential may be repeated as many times as needed.

Hydrodynamic voltammetry

In analytical chemistry, hydrodynamic voltammetry is a form of voltammetry in which the analyte solution flows relative to a working electrode. In many voltammetry techniques, the solution is intentionally left still to allow diffusion-controlled mass transfer. When a solution is made to flow, through stirring or some other physical mechanism, it is very important to the technique to achieve a very controlled flux or mass transfer in order to obtain predictable results.

Voltammetry

Voltammetry is a category of electroanalytical methods used in analytical chemistry and various industrial processes. In voltammetry, information about an analyte is obtained by measuring the current as the potential is varied. The analytical data for a voltammetric experiment comes in the form of a voltammogram which plots the current produced by the analyte versus the potential of the working electrode. Voltammetry is the study of current as a function of applied potential.

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Conductive metal-oxide nanoparticles on synthetic boron-doped diamond surfaces

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