One-dimensional suboxide TiO2 nanotubes for electrodics applications

•The use of directly back contacted anodic TiO2 nanostructures as a scaffold.•Electrodics applications of semimetallic TiO2 nanotubes.•Feasibility of defect engineering concept to enhance conductivity. This mini-review summarizes the recent research on the applications of anodic one-dimensional subo...

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Bibliographic Details
Published in:Electrochemistry communications 2022-03, Vol.136, p.107246, Article 107246
Main Authors: Hejazi, S., Pour-Ali, S., Killian, M.S., Mohajernia, S.
Format: Article
Language:English
Subjects:
Electrode
Nanotubes
One-dimensional nanostructures
Suboxide titania
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Summary:•The use of directly back contacted anodic TiO2 nanostructures as a scaffold.•Electrodics applications of semimetallic TiO2 nanotubes.•Feasibility of defect engineering concept to enhance conductivity. This mini-review summarizes the recent research on the applications of anodic one-dimensional suboxide titania nanostructures with enhanced electrodics properties by introducing atomic-scale defects into the titania systems. Due to the unique semiconductive properties of TiO2 nanostructures, so far, the main focus of research has been on photocatalytic applications of this semiconductor. The limited conductivity of pristine anodized titania restrains the application of one-dimensional (1D) nanostructured TiO2 as an electrode. However, recently published works present that suboxide TiO2 nanotubes, due to the enhanced conductivity, are promising electrodes for electrochemical applications. In this mini-review, we highlight the unique advantages of defective TiO2-x nanotubes as an electrode and address the recent electrodics applications of 1D anodic TiO2 nanotubes.
ISSN:1388-2481
1873-1902
DOI:10.1016/j.elecom.2022.107246