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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 661Preparation and Photoelectrocatalytic Performance...

Preparation and Photoelectrocatalytic Performance of TiO₂ Nano-Tubes Arrays Electrode

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Abstract:

Highly ordered TiO2 nano-tubes arrays (TNTAs) electrode was fabricated through anodization. The effects of some experimental parameters on photocatalytic (PC) activity and photoelectrocatalytic (PEC) activity were investigated in detail. It was found that the optimum preparng conditions were as followed: the applied voltage, water content, fluoride concentration, anodization time and reaction temperature was 20 V, 40 vol%, 0.5 wt%, 2 h and 40 °C, respectively. In addition, the TNTAs electrode exhibited high PC and PEC activities, in which 39.1% and 65.7 % of methyl blue (MB) could be mineralized, respectively. The high PC and PEC activities could be attributed to the highly nano-tubular structure and mixed crystallite composition, which could facilitate the separation and transfer of the photogenerated charge carriers.

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Nanotechnology and Material Engineering Research

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Periodical:

Advanced Materials Research (Volume 661)

Pages:

11-15

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.661.11

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Online since:

February 2013

Authors:

Xiu Wen Cheng, Hui Ling Liu, Qing Hua Chen, Jun Jing Li, Xiu Juan Yu

Keywords:

Anodization, Methyl Blue, Photoelectrocatalysis, TiO₂ Nano-Tubes Arrays Electrode

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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