Electrodeposition of FexSey films from acidic solutions

V. K. Laurinavichyute, S. E. Bakhtenkova, O. A. Drozhzhin, S. M. Kazakov, E. V. Antipov

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Iron selenide (FexSey) thin films were electrodeposited on a glassy carbon electrode (GCE) surface under constant potential and pulse potential modes. The deposition mechanism was investigated using cyclic voltammetry. Electrochemical processes at room temperature are accompanied by adsorption of selenium on the electrode surface and complicated by chemical reactions in the solution bulk. Several approaches to control the film stoichiometry were applied: varying of electrodeposition potential; the use of elevated temperatures (60–80°C) to decrease the electrode passivation and electrodissolution of interfering elements under pulse mode. The composition of FexSey thin films was analyzed using an energy dispersive X-rays (EDX) analysis.

Original languageEnglish
Pages (from-to)1048-1056
Number of pages9
JournalRussian Journal of Electrochemistry
Volume52
Issue number11
DOIs
Publication statusPublished - 1 Nov 2016
Externally publishedYes

Keywords

  • cyclic voltammetry
  • energy dispersive analysis by X-rays
  • iron selenide
  • reverse pulse electrodeposition
  • thin films

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