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Preparation of Bismuth-Lanthanum Composite Oxide and its Photocatalytic Performance

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Abstract:

Bi-La composite oxide was prepared by thermal decomposition of molecular precursor of BiLa(dtpa)(NO3)•3.5H2O (dtpa=Diethylene triaminepentaacetic). The effect of calcinated temperature on structure was discussed by X-ray powder diffraction, scanning electron microscopy and UV-vis diffuse reflectance spectroscopy. The photocatalytic performance of samples prepared was discussed through the degradation of methyl orange. The results show that Bi-La composite oxide prepared at 500°C exhibits the best photocatalytic activity for the degradation of methyl orange (20mg/L) and the optimum amount of photocatalyst is 1.0 g/L.

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Periodical:

Advanced Materials Research (Volumes 616-618)

Pages:

1667-1670

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.616-618.1667

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Online since:

December 2012

Authors:

Ting Tang, Hong Quan Deng, Qi Ying Jiang, Ji Chuan Huo, Shun Hua Hu

Keywords:

Bismuth, Composite Oxide, Lanthanum, Photocatalytic Performance, Preparation

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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