Abstract
Doped tin dioxide electrodes have been prepared by a standard spray pyrolysis technique. The electrochemical behaviour of these electrodes has been investigated by cyclic voltammetry in sulphuric acid using the Fe2+/Fe3+ redox couple system as test reaction. Oxygen evolution has been used to study the stability of doped SnO2 electrodes. The SnO2 electrodes doped with antimony and platinum exhibit the highest stability. XPS analysis shows that the oxidation state of Sn, Sb and Pt are +4, +3 and +2, respectively, the probable species being SnO2, Sb2O3 and PtO.
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Vicent, F., Morallo´n, E., Quijada, C. et al. Characterization and stability of doped SnO2 anodes. Journal of Applied Electrochemistry 28, 607–612 (1998). https://doi.org/10.1023/A:1003250118996
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DOI: https://doi.org/10.1023/A:1003250118996