Paper Title:
A Novel Route to Prepare ZnO-SnO2 Nanocomposite with High Photocatalytic Activity
  Abstract

A nanometer coupled oxide ZnO-SnO2 was prepared by the fractional homogeneous co-precipitation route using urea as the latent precipitant under boiling reflux condition. The samples prepared from different initial concentrations of urea or at different calcination temperatures were characterized by X-ray diffration (XRD) or transmission electron microscopy (TEM). It was found that the coupled oxides ZnO-SnO2 mainly consist of nanosized ZnO and SnO2, the calcination temperature had obvious effect on the phase composition and the crystal size of the samples obtained, and the precipitant concentration also had obvious effect on the oxide particles size and the production rate of ZnO. Moreover, their photocatalytic activity was investigated for the liquids-phase photocatalytic degradation of methyl orange (MO) in water under UV light irradiation.The coupled oxides showed better photocatalytic activity for the degradation of MO than the pure ZnO or SnO2.

  Info
Periodical
Advanced Materials Research (Volumes 197-198)
Edited by
Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng
Pages
1038-1041
DOI
10.4028/www.scientific.net/AMR.197-198.1038
Citation
M. L. Zhang, L. F. Li, "A Novel Route to Prepare ZnO-SnO2 Nanocomposite with High Photocatalytic Activity", Advanced Materials Research, Vols. 197-198, pp. 1038-1041, 2011
Online since
February 2011
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Price
$32.00
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