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Fabrication and Photocatalytic Performance of Bi2O3 Doped with Fe3+

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Abstract:

In this paper, Bi2O3 and Fe3+-doped Bi2O3 photocatalysts with different molar ratio of Bi /Fe (nBi:nFe =100:1,2,3,4) was prepared by paralled flaw co-precipitation method. The prepared photocatalysts were characterized by Brunauer-Emmet Teller (BET) method, X-ray diffraction( XRD) and UV-Vis diffuse reflectance spectroscopy. The results show that 3% Fe3+-Bi2O3 prepared has the highest BET surface area, pore volume, the smallest pore size and the particle average size. 3% Fe3+-Bi2O3 exhibits the best photocatalytic activity. The results of further experiments show that the specific surface area, UV-Vis diffuse reflectance all play an important role in promotion of photocatalytic activity of Bi2O3 nanostructure.

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Periodical:

Advanced Materials Research (Volumes 399-401)

Pages:

1425-1428

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.399-401.1425

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Online since:

November 2011

Authors:

Jun Zeng, Feng Chun Zeng, Jun Bo Zhong, Jian Zhang Li, Shao Hua Wang, Wei Hu

Keywords:

Bi2O3, Decolorization, Doping, Photocatalyst

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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