Crystallization of TiO2 Nanotubes Arrays Grown by Anodization of Ti in Organic Electrolyte

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Abstract:

The TiO2 anodized in organic electrolyte using 85% glycerol is used to investigate the crystalization of TiO2 nanotubes annealed in air. The anatase start to form at 300°C and rutile appear when the temperature about 600 °C. The phase transformation is dependent on the annealing time and temperature. The anatase can be form at low temperatures when the annealing time is prolonged. The morphology of the annealed TiO2 nanotubes changes as the function of the annealing temperature and the mechanism for the phase transformation of anatase to rutile is discussed.

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412-417

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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