Fabrication of TiO2 nanotubes on Ti spheres using bipolar electrochemistry
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Date
2020-02-01
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Mark
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Elsevier
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Abstract
In this work, the anodization of Ti spheres using bipolar electrochemistry is reported for the first time. TiO2 nanotubes were found over the entire surface area of the Ti spheres when a square-wave potential was employed. The TiO2 nanotubes were similar to 77 nm in inner diameter and had a thickness of similar to 2 mu m on the extremities of the Ti spheres. Due to their increased surface area, the Ti spheres covered with TiO2 nanotubes had a rate constant for the photocatalytic degradation of methylene blue which was approximately 2.15 times higher than that of non-anodized Ti spheres with a thin thermal oxide layer.
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ELECTROCHEMISTRY COMMUNICATIONS. 2020, vol. 111, issue 1, p. 1-4.
https://www.sciencedirect.com/science/article/pii/S1388248120300205
https://www.sciencedirect.com/science/article/pii/S1388248120300205
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Peer-reviewed
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en
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-nd/4.0/