Publication

Anodic oxidation of 2-naphthol at boron-doped diamond electrodes

Christos Comninellis, Pierre-Alain Michaud
2001
Journal Articles

Abstract

The anodic oxidn. of 2-naphthol in acid media was studied at a synthetic boron-doped diamond thin film electrode (BDD) using cyclic voltammetry and bulk electrolysis. The results showed that in the potential region, where the supporting electrolyte is stable, reactions involving simple electron transfer, such as oxidn. of 2-naphthol to naphthoxy radical and 1,4-naphthoquinone occur. Polymeric materials, which lead to electrode fouling, are also formed in this potential region. Electrolysis at high pos. potentials in the region of electrolyte decompn. causes complex oxidn. reactions by electrogenerated hydroxyl radicals leading to the complete incineration of 2-naphthol. Electrode fouling is inhibited under these conditions. The exptl. results were also compared with a theor. model. This model is based on the assumption that the rate of the anodic oxidn. of 2-naphthol is a fast reaction and it is under diffusion control. [on SciFinder (R)]

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https://infoscience.epfl.ch/entities/publication/0880b3d5-1450-49cd-92ab-353fbc5b63a4

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Christos Comninellis, Pierre-Alain Michaud
2001
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/0880b3d5-1450-49cd-92ab-353fbc5b63a4

About this result

Related concepts (32)

Chemical reaction

A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei (no change to the elements present), and can often be described by a chemical equation. Nuclear chemistry is a sub-discipline of chemistry that involves the chemical reactions of unstable and radioactive elements where both electronic and nuclear changes can occur.

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.

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Anodic oxidation of 2-naphthol at boron-doped diamond electrodes

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