Local structure and photocatalytic property of sol-gel synthesized ZnO doped with transition metal oxides

He, Rongliang, Hocking, Rosalie K. and Tsuzuki, Takuya 2012, Local structure and photocatalytic property of sol-gel synthesized ZnO doped with transition metal oxides, Journal of materials science, vol. 47, no. 7, pp. 3150-3158.

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Title Local structure and photocatalytic property of sol-gel synthesized ZnO doped with transition metal oxides
Author(s) He, Rongliang
Hocking, Rosalie K.
Tsuzuki, Takuya
Journal name Journal of materials science
Volume number 47
Issue number 7
Start page 3150
End page 3158
Total pages 9
Publisher Springer
Place of publication New York, N. Y.
Publication date 2012
ISSN 0022-2461
1573-4803
Summary ZnO nanoparticles doped with up to 5 at% of Co and Mn were prepared using a co-precipitation method. The location of dopant ions and the effect of doping on the photocatalytic activity were investigated. The crystal structure of nanoparticles and local atomic arrangements around dopant ions were analyzed by X-ray absorption spectroscopy. The results showed that the Co ions substituted the Zn ions in the ZnO wurtzite phase structure and induced lattice shrinkage, while Mn ions were not completely incorporated in the crystal lattice. The photocatalytic activity under simulated sunlight was characterized by the decomposition of Rhodamine B dye molecules. It was revealed that Co-doping strongly reduced the photocatalytic activity but Mn-doping showed a weaker effect on the reduction of the photoactivity.
Language eng
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044086

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Created: Thu, 05 Apr 2012, 15:46:30 EST

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