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J Mater Sci Technol  2010, Vol. 26 Issue (6): 535-541    DOI:
Nanomaterials and Nanotechnology Current Issue | Archive | Adv Search |
Electrochemically Assisted Photocatalytic Oxidation of Methanol on TiO2 Nanotube Arrays
R. Mohammadpour, A. Iraji zad, N. Taghavinia, M. Rahman, M.M. Ahadian
1) Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran 14588-89694, Iran
2) Department of Physics, Sharif University of Technology, Tehran 11365-9161, Iran
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In this work, the influence of an externally applied bias on photocatalytic performance of crystallized TiO2/Ti nanotubular electrode that formed by anodization in fluoride-based electrolyte were investigated and compared to the behavior of multiporous TiO2 electrode. The photoelectrocatalytic oxidation behavior of methanol over the nanotubular electrode has been studied by measuring photocurrent response, potentiodynamic polarization spectroscopy and using electrochemical impedance spectroscopy (EIS). It was found that the photoelectrocatalytic oxidation and the charge transfer rate constant of reaction on TiO2/Ti nanotubular electrode can significantly be increased by applying electrochemical bias. Moreover, based on our results we have found that the nanotubular TiO2 electrodes have considerably better performance in comparison with porous samples in photoelectrocatalytic performance

Key wordsTiO2 nanotube      Photoelectrocatalyst      Electrochemical impedance spectroscopy      Methanol     
Received: 27 March 2009      Published: 22 June 2010
Corresponding Authors: Azam Iraji zad     E-mail:

Cite this article:

R. Mohammadpour A. Iraji zad N. TaghaviniaM. Rahman M.M. Ahadian. Electrochemically Assisted Photocatalytic Oxidation of Methanol on TiO2 Nanotube Arrays. J Mater Sci Technol, 2010, 26(6): 535-541.

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