Publication

Electrochemical behavior of synthetic boron-doped diamond thin film anodes

Christos Comninellis, Pierre-Alain Michaud, Ilaria Duo
1999
Journal Articles

Abstract

The electrochem. behavior of some model org. compds. on boron-doped synthetic diamond thin film electrodes, obtained by HF-CVD on p-Si substrate was investigated. Only reactions involving simple electron transfer like hydroquinone/benzoquinone are active in the potential region of the supporting electrolyte stability, although this system is irreversible on diamond electrodes. For oxidn. reactions with more complex mechanism, diamond electrodes show no electrocatalytic activity in the potential region of the supporting electrolyte stability. These complex oxidn. reactions can take place on diamond electrodes in the potential region of the supporting electrolyte decompn. The reactivity of some alcs. and carboxylic acids is studied by cyclic voltammetry. Isopropanol in 1 M H2SO4 is oxidized on diamond anode at a const. c.d. and the intermediates formed are analyzed by HPLC. Finally, a simplified mechanism for the oxidn. of orgs. by electrogenerated OH radicals on diamond is proposed. [on SciFinder (R)]

Official source

https://infoscience.epfl.ch/entities/publication/2e949502-ca31-4107-bcbe-38d3a02a26c4

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Christos Comninellis, Pierre-Alain Michaud, Ilaria Duo
1999
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/2e949502-ca31-4107-bcbe-38d3a02a26c4

About this result

Related concepts (32)

Electrochemical reaction mechanism

In electrochemistry, an electrochemical reaction mechanism is the step-by-step sequence of elementary steps, involving at least one outer-sphere electron transfer, by which an overall electrochemical reaction occurs. Elementary steps like proton coupled electron transfer and the movement of electrons between an electrode and substrate are special to electrochemical processes.

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.

Pericyclic reaction

In organic chemistry, a pericyclic reaction is the type of organic reaction wherein the transition state of the molecule has a cyclic geometry, the reaction progresses in a concerted fashion, and the bond orbitals involved in the reaction overlap in a continuous cycle at the transition state. Pericyclic reactions stand in contrast to linear reactions, encompassing most organic transformations and proceeding through an acyclic transition state, on the one hand and coarctate reactions, which proceed through a doubly cyclic, concerted transition state on the other hand.

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Electrochemical behavior of synthetic boron-doped diamond thin film anodes

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