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Synthesis、Structure and Catalytic Activity of TiO2/ La2Zr2O7 Nanocomposites

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Abstract:

TiO2/La2Zr2O7 composites were fabricated by sol-gel method. The composites were characterized by X-ray powder diffraction (XRD), Raman spectrum, scanning electron microscopy (SEM), energy dispersive X-ray spectrometer (EDS) and Brunauer-Emmett-Teller (BET) nitrogen adsorption. The results showed that TiO2 was uniformly coated on the surface of La2Zr2O7 powders. The BET surface area of TiO2/La2Zr2O7 composites was 26.78 m2/g, which was larger than that of La2Zr2O7. Also, the photodegradation of methyl orange was used to evaluate its photocatalytic property. It was found that TiO2/La2Zr2O7 composites showed good photocatalytic activity and the decomposition of methyl orange had basically completed within 30 min.

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Advanced Materials, CEAM 2011 View Preview

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

2878-2881

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.2878

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Online since:

May 2011

Authors:

Yu Ping Tong, Yu Qing Zhao, Hong Yuan Huo, Hui Yang

Keywords:

Photocatalytic Properties, Sol-Gel Method, Tio2/la2Zr2O7 Nanocomposites

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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