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Capacitance characteristics of the polycrystalline CdS/NaOH and CdS/cysteine interfaces

par Dewitt, R.;Kirsch-De Mesmaeker, Andrée
Référence Journal of the Electrochemical Society, 130, page (1995-1998)
Publication Publié, 1983

Article révisé par les pairs

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Résumé :

Flatband potentials (VFB) of polycrystalline CdS have been determined as a function of pH, in the absence and in the presence of cysteine. From pH 10, the linear dependence of VFb with pH is explained by a hydroxylation of the electrode surface. With cysteine, two VFB negative steps occur at pH's corresponding to the two pKa's of the reductant, emphasizing the VFB dependence on the degree of ionization of the amino acid. © 1983, The Electrochemical Society, Inc. All rights reserved.