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Synthesis and photo-catalytic degradation property of nano structured-ZnO with different morphology

Authors Wang, Yuxin
Li, Xinyong
Lu, Guang
Chen, Guohua View this author's profile
Chen, Yongying
Issue Date 2008
Source Materials letters , v. 62, (16), 2008, JUN 15, p. 2359-2362
Summary ZnO nanostructures with different morphology have been successfully fabricated by a simple relative low temperature approach at 90 degrees C for 5 h without surfactant assistance. These structures can be easily tailed using varied concentrations of sodium hydroxide (NaOH) and different amounts of the hydrazine hydrate (N2H4 center dot H2O). X-ray diffraction (XRD) result proves the formation of ZnO with wurtzite structure. Microstructure as revealed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) indicates that the rod-like and chrysanthemum-like ZnO nanostructures contain many radial nanorods, which grow along the [0001] direction. Furthermore, the as-prepared ZnO nanomaterials exhibit high activity on the photo-catalytic degradation of typical persistent organic pollutants (POPs), indicating that they are promising as semiconductor photo-catalysts. (C) 2007 Elsevier B.V. All rights reserved.
ISSN 0167-577X
Language English
Format Article
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