| Issue |
MATEC Web Conf.
Volume 340, 2021
VII International Russian - Kazakhstan Conference “Chemical Technologies of Functional Materials” (RKFM 2021)
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|
|---|---|---|
| Article Number | 01050 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/matecconf/202134001050 | |
| Published online | 08 July 2021 | |
Mesoporous oxide films grown on Sn foil using various anodizing modes in alkaline electrolyte
1 Institute of Solid State Chemistry and Mechanochemistry SBRAS, Kutateladze 18, Novosibirsk, 630128, Russia
2 Novosibirsk State University, Pirogova, 2, Novosibirsk, 630090, Russia
3 Novosibirsk State Technical University, Prospect Karla Marksa 20, Novosibirsk, 630073, Russia
* Corresponding author: tanyushavasileva12@gmail.com
The mesoporous structures of tin oxide were obtained by a simple method of one-stage electrochemical anodizing of Sn foil in 1M NaOH in various anodizing modes. Anodizing in the pulse potentiostatic mode allowed determination of actual value of the voltage drop on the anode. For the first time the possibility of obtaining mesoporous oxide films on the surface of tin using galvanostatic mode of anodizing was demonstrated. It was found that the surface morphology of the obtained tin oxide layers is strongly dependent on the anodizing mode. Based on the data obtained, a two-stage mechanism was proposed for the growth of porous structures on the surface of tin in the galvanostatic mode including initial formation of the layer of SnO·xH2O which is subsequently oxidized to SnO2·xH2O mesoporouslayer.
© The Authors, published by EDP Sciences, 2021
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