Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/97094
Title: Self-organized TiO2 nanotubes in mixed organic–inorganic electrolytes and their photoelectrochemical performance
Authors: Lai, Yuekun
Zhuang, Huifang
Sun, Lan
Chen, Zhong
Lin, Changjian
Issue Date: 2009
Source: Lai, Y., Zhuang, H., Sun, L., Chen, Z., & Lin, C. (2009). Self-organized TiO2 nanotubes in mixed organic–inorganic electrolytes and their photoelectrochemical performance. Electrochimica Acta, 54(26), 6536-6542.
Series/Report no.: Electrochimica acta
Abstract: The formation of self-organized TiO2 nanotube array films by electrochemical anodizing titanium foils was investigated in a developed organic–inorganic mixed electrolyte. It was found that the structure and morphology of the TiO2 nanotube layer were greatly dependent upon the electrolyte composition, anodizing potential and time. Under the optimized electrolyte composition and electrochemical conditions, a controllable, well-ordered TiO2 nanotube array layer could be fabricated in a short time. The diameters of the as-prepared TiO2 nanotubes could be adjusted from 20 to 150 nm, and the thickness could be adjusted from a few hundred nanometers to several micrometers. The photoresponse and the photocatalytic activity of the highly ordered TiO2 nanotube array films were also examined. The nanotube array film with a thickness of about 2.5 μm had the highest incident photon to photocurrent conversion efficiency (IPCE) (34.3%) at the 350 nm wavelength, and had better charge transfer ability under UV light illumination. The photocatalytic experimental results indicated that the 450 °C annealing samples have the highest photodegradation efficiency for methyl orange pollutant.
URI: https://hdl.handle.net/10356/97094
http://hdl.handle.net/10220/10440
ISSN: 0013-4686
DOI: 10.1016/j.electacta.2009.06.029
Rights: © 2009 Elsevier Ltd.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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