Current oscillatory phenomena based on redox reactions at a hanging mercury drop electrode (HMDE) in dimethyl sulfoxide

Article Abstract:

A systematic and comprehensive study on cyclic voltammetric anodic current oscillation at a hanging mercury drop electrode is carried out for the redox reactions of molecular oxygen, nirobenzene, 1,4-dinitrobenzene, benzoquinone, 2,3,5,6-tetramethylbenzoquinone, benzophenone, azobenzene, 2,1,3-benzothiadiazole, 7,7,8,8-tetracyanoquinodimethane, methyl viologen dichloride and tris(2,2'-bipyridine)ruthenium(II) dichloride in dimethyl sulfoxide solutions containing 0.1M tetraethylammonium perchlorate.

All Other Basic Organic Chemical Manufacturing, Industrial Organic Chemicals, Petrochemical Manufacturing, Benzene, Dimethyl Sulfoxide, Electric properties

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Cyclic and normal pulse voltammetric studies of 2, 3, 6, 7, 10, 11-hexaphenylhexazatriphenylene using a benzonitrile thin layer-coated glassy carbon electrode

Article Abstract:

The method of interposing a thin layer of immiscible organic solvent (benzonitrile, BN) between a glassy carbon electrode surface and an aqueous solution is applied to study the electrode reaction of a highly hydrophobic organic molecule, 2, 3, 6, 7, 10, 11-hexaphenylhexazatriphenylene (HAT). Good agreement between the observed normal pulse voltammograms and the calculated ones based on the evaluated parameters was obtained.

Analysis, Organic solvents, Electrodes, Carbon, Carbon electrodes, Phenyl compounds

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Eccentric phenomena at liquid mercury electrode/solution interfaces: Upward, downward, and circular motions

Article Abstract:

A visualization of unidirectional and circular motions triggered by an electrochemical redox reaction at a charged, bent, and streamed liquid electrode/liquid solution interface is presented. The observed motions are self-insisting in nature and are tunable into upward, downward, clockwise, and anticlockwise ones by an appropriate choice of the experimental conditions.

Electrochemistry, Mercury compounds, Atomic properties

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