Title

Visible light photocatalytic properties of metastable γ-Bi2O3 with different morphologies

RIS ID

88287

Publication Details

Hao, W., Gao, Y., Jing, X., Zou, W., Chen, Y. & Wang, T. (2014). Visible light photocatalytic properties of metastable γ-Bi2O3 with different morphologies. Journal of Materials Science and Technology, 30 (2), 192-196.

Abstract

The metastable γ-Bi2O3 photocatalysts with different morphologies were fabricated by means of a chemical precipitation method. The microstructure of as-prepared samples was characterized by X-ray diffraction, transmission electron microscopy and ultraviolet-visible diffusion reflectance spectroscopy. The photocatalytic performance of Bi2O3 powder was evaluated using rhodamine B as a model pollutant under visible light irradiation. The visible light photocatalytic activity of Bi2O3 with different morphologies is as follows, nanorod > nanorod/nanoflake > N doped TiO2 > irregular particle > agglomerated particle. The γ-Bi2O3 shows the best photocatalytic performance and it can effectively degrade 97% RhB within 60 min.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.jmst.2013.09.023