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Voltammetric and chronoamperometric studies of tellurium electrodeposition of glassy carbon and gold electrodes

par van Ngać, Nguyen;Vittori, Olivier;Quarin, Guy Charles
Référence Journal of electroanalytical chemistry, 167, 1-2, page (227-235)
Publication Publié, 1984-06

Article révisé par les pairs

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Résumé :

Electrodeposition of tellurium (IV) from acidic solutions was carried out on glassy carbon and gold electrodes by means of voltammetry and chronoamperometry. In both cases the anomalous recorded current-potential and current-time curves indicated the influence of adsorbed tellurium(0). Some considerations of the nucleation are discussed to explain the transient responses observed when double potential steps are applied. The semiconductor properties of tellurium when deposited as a thin layer may also be taken into account to explain the observed differences with the electroplating of a pure metal. © 1984.