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- Title
Photocatalytic Reduction Activity of 001 TiO<sub>2</sub> Codoped with F and Fe under Visible Light for Bromate Removal.
- Authors
Zhang, Yan; Li, Lingdan; Liu, Hongyuan
- Abstract
The presence of bromate in water is a well-known problem because of its toxic effects on human health, particularly its carcinogenic potential. Photocatalytic reduction is an attractive process for bromate removal. F- and Fe-codoped TiO2 (F-Fe-TiO2) with a {001} facet was successfully prepared, and its bromate-removal activity under visible light was examined. The microstructure, morphology, and chemical state of the doping elements and the optical property of the photocatalysts were examined using transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), electron paramagnetic resonance (EPR), photoluminescence spectroscopy (PLS), and UV-Vis diffuse reflectance spectra (DRS). The results indicate that the optical properties of F-Fe-TiO2 with the {001} facet and cuboid morphology were obviously improved and its photocatalytic activity was significantly enhanced. The bromate solution of 100 μg/L was thoroughly removed with 0.5 g/L dosage of 1.0% F- and 0.08% Fe-codoped TiO2 composite within 1 hour under visible light.
- Subjects
BROMATE removal (Water purification); PHOTOREDUCTION; DOPING agents (Chemistry); VISIBLE spectra; SURFACE morphology; MICROSTRUCTURE
- Publication
Journal of Nanomaterials, 2016, p1
- ISSN
1687-4110
- Publication type
Article
- DOI
10.1155/2016/5646175