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Co-precipitation synthesis and photocatalytic behavior of Tin niobates
Kaifan Li * #
Department of Materials Science and Engineering,Zhejiang University
*Correspondence author
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Funding: none
Opened online:15 May 2008
Accepted by: none
Citation: Kaifan Li.Co-precipitation synthesis and photocatalytic behavior of Tin niobates[OL]. [15 May 2008] http://en.paper.edu.cn/en_releasepaper/content/21421
 
 
A simple co-precipitation technique was successfully used to synthesize fine powders of SnNb2O6 (when Sn2+: Nb5+=1: 2) and Sn2Nb2O7 (when Sn2+: Nb5+=1: 1) phase by calcining precursor at 700 °C. This is a much lower temperature as compared to that prepared by traditional solid-state method (900 °C), as reported for the formation of SnNb2O6 and Sn2Nb2O7. And the average particle sizes of the two phases above are about 80 nm and 50 nm respectively according to the powder X-ray diffraction (XRD) and Transmission electron microscope (TEM) images. The forming processes of the two phases were investigated by XRD and DSC-TG curves. Photocatalytic properties of the powders were investigated by measuring degradation of methyl orange in aqueous solution under light irradiations.
Keywords:Tin niobates; Co-precipitation; Nanomaterials; Visible light; Photocatalyst
 
 
 

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