Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6449
Title: Fabrication of Bi-doped TiO₂ spheres with ultrasonic spray pyrolysis and investigation of their visible-light photocatalytic properties
Authors: Huang, J 
Cheuk, W
Wu, Y
Lee, SC 
Ho, W
Keywords: Azo dyes
Bismuth
Photoelectrons
Scanning electron microscopy
Spray pyrolysis
Titanium dioxide
Transmission electron microscopy
X ray diffraction
X ray photoelectron spectroscopy
Issue Date: 2012
Publisher: Hindawi Publishing Corporation
Source: Journal of nanomaterials, v. 2012, 214783, p. 1-7 How to cite?
Journal: Journal of nanomaterials 
Abstract: Bismuth-doped TiO₂submicrospheres were synthesized by ultrasonic spray pyrolysis. The prepared bismuth-doped titania was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV-visible diffuse reflectance spectroscopy (UV-vis DRS), and X-ray photoelectron spectroscopy (XPS). Aqueous photocatalytic activity was evaluated by the decomposition of methyl orange under visible-light irradiation. The results indicate that doping of bismuth remarkably affects the phase composition, crystal structure, and the photocatalytic activity. The sample with 2 Bi exhibits the optimum photocatalytic activity.
URI: http://hdl.handle.net/10397/6449
ISSN: 1687-4110
EISSN: 1687-4129
DOI: 10.1155/2012/214783
Rights: Copyright © 2012 Jianhui Huang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Appears in Collections:Journal/Magazine Article

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