Visible-light driven C@TiO2 porous films: Enhanced photoelectrochemical and photoelectrocatalytic performance

Visible-light driven C-modified TiO2 film (C@TiO2 film) was prepared on a conducting substrate and studied as photoanode for photoelectrochemical and photoelectrocatalytic (PEC) properties. The as-prepared material was characterized by SEM, TEM, XRD, and diffuse reflectance spectra. The C@TiO2 film...

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Bibliographic Details
Published in:Catalysis communications 2015-09, Vol.69, p.63-67
Main Authors: Xu, Yan-Yan, Lu, Si-Qi, Zheng, Yan-Zhen, Fang, Hua-Bin, Tao, Xia, Chen, Jian-Feng
Format: Article
Language:English
Subjects:
Carbon modified TiO2 film
Photoanode
Photoelectrocatalytic
Visible light
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Summary:Visible-light driven C-modified TiO2 film (C@TiO2 film) was prepared on a conducting substrate and studied as photoanode for photoelectrochemical and photoelectrocatalytic (PEC) properties. The as-prepared material was characterized by SEM, TEM, XRD, and diffuse reflectance spectra. The C@TiO2 film with multiporous structure exhibited enhanced electrochemical properties and excellent PEC performance, with a seven-fold improvement of photocurrent intensity as compared to unmodified TiO2. The PEC improvement may be resulting from extended visible light-harvesting, low electron transfer resistance, and promoted photocurrent response. This study could provide a new perspective on preparing high performance photoelectric catalyst films. [Display omitted] •Visible-light driven C-modified TiO2 film is prepared on a conducting substrate.•The C@TiO2 film exhibits enhanced electrochemical properties and PEC performance.•The excellent PCE is due to a synergetic effect of electricity and irradiation.
ISSN:1566-7367
1873-3905
DOI:10.1016/j.catcom.2015.05.018