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Issue 20, 2009
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Self-ordering electrochemistry: a review on growth and functionality of TiO2nanotubes and other self-aligned MOx structures

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Abstract

Among all one dimensional nanostructures other than carbon, titania nanotubes have gained increasingly more scientific interest due to a successful combination of functional material properties with a well controllable nano-architecture. For self-organized TiO2nanotube arrays not only the simple increase in the specific surface area but also their self-aligned nature leads to a significant enhancement of the performance when used in photoelectrochemistry, photocatalysis, dye-sensitized solar cells, or electrochromic devices. In addition to this, these ordered and size-controlled nanostructured TiO2 surfaces also have material-specific advantages, for example in superhydrophobic/superhydrophilic and biomedical applications. The formation of these vertically oriented nanotube arrays can be achieved by a simple one-step electrochemical self-assembly process. By adjusting the anodization parameters, the geometry such as the tube length or diameter can easily be controlled. The present review addresses the formation, properties and applications not only of TiO2nanotubes but also of related transition metal oxides.

Graphical abstract: Self-ordering electrochemistry: a review on growth and functionality of TiO2nanotubes and other self-aligned MOx structures

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Publication details

The article was received on 17 Dec 2008, accepted on 10 Mar 2009 and first published on 06 Apr 2009


Article type: Feature Article
DOI: 10.1039/B822726H
Citation: Chem. Commun., 2009,0, 2791-2808
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    Self-ordering electrochemistry: a review on growth and functionality of TiO2nanotubes and other self-aligned MOx structures

    A. Ghicov and P. Schmuki, Chem. Commun., 2009, 0, 2791
    DOI: 10.1039/B822726H

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