Journal
APPLIED SURFACE SCIENCE
Volume 257, Issue 6, Pages 2275-2280Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2010.09.087
Keywords
Titanium dioxide; Pd particles; Carbon fiber; Photocatalytic; Acid orange
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Funding
- Natural Science Foundation of Zhejiang Province, China [Y406310]
- Ministry of Education, Culture, Sports, Science and Technology, Japan
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Pd-modified carbon fibers (CFs) are obtained by a facile oxidation-reduction method and then dip-coated in a sol-gel of titanium dioxide (TiO2) to form supported TiO2/Pd-CF photocatalysts. The morphology of the Pd-modified CFs and the amount Pd deposited are characterized by field emission scanning electron microscopy and atomic absorption spectrometry, respectively. X-ray diffraction is used to investigate the crystal structures of the TiO2 photocatalyst. Acid orange II is used as a model contaminant to evaluate the photocatalytic properties of the photocatalyst under UV irradiation. TiO2/Pd-CF exhibits higher catalytic activity than TiO2/CF towards the degradation of acid orange II. Optimum photocatalytic performance and support properties are achieved when the Pd particle loading is about 10.8 mg/g. (C) 2010 Elsevier B.V. All rights reserved.
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