The preparation of highly ordered TiO2 nanotube arrays by an anodization method and their applications

Yongseok Jun; Jong Hyeok Park; Man Gu Kang

doi:10.1039/C2CC30733B

The preparation of highly ordered TiO₂nanotube arrays by an anodization method and their applications

Yongseok Jun,†^a Jong Hyeok Park †^b and Man Gu Kang*^c

* Corresponding authors

^a Interdisciplinary School of Green Energy, KIER-UNIST Advanced Center for Energy, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Korea

^b Department of Chemical Engineering and SAINT, Sungkyunkwan University, Suwon, Korea

^c Advanced Solar Technology Research Team, Electronics and Telecommunications Research Institute, Gajeongno 218, Yuseong, Daejeon, Korea
E-mail: 10009kang@etri.re.kr
Fax: +82-42-860-6495
Tel: +82-42-860-6817

Abstract

The tubular-shaped nanostructure of TiO₂ is very interesting, and highly ordered arrays of TiO₂ nanotubes (TNTs) can be easily fabricated by anodization of the Ti substrate in specific electrolytes. Here in this feature article, we review synthesis methods for various TNTs including normal, alloy, and architectural forms such as bamboos, lace, and flowers. Specific nanosize architectures such as bamboo and lace types can be regulated by alternating voltage and further anodizing. In order to extend light response of TNTs to visible solar spectra, various dopings of specific elements have been discussed. The normal and modified TNTs are suggested for applications such as dye sensitized solar cells, water splitting, photocatalytic degradation of pollutants, CO₂ reduction, sensors, energy storage devices including Li ion batteries and supercapacitors, and other applications such as flexible substrate and biomaterials.

Article information

https://doi.org/10.1039/C2CC30733B

Article type

Feature Article

Submitted

02 Feb 2012

Accepted

26 Apr 2012

First published

26 Apr 2012

Download Citation

Chem. Commun., 2012,48, 6456-6471

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The preparation of highly ordered TiO₂ nanotube arrays by an anodization method and their applications

Y. Jun, J. H. Park and M. G. Kang, Chem. Commun., 2012, 48, 6456 DOI: 10.1039/C2CC30733B

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