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Issue 24, 2014
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Photocatalytic degradation of organic dyes by La3+/Ce3+-H3PW12O40 under different light irradiation

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Abstract

New photocatalysts (La3+-H3PW12O40 and Ce3+-H3PW12O40) were prepared, and the degradation activity of these products was evaluated. These photocatalysts were synthesized by the hydrothermal method assisted by PEG-1000 from the reactions of LaCl3 or CeCl3 and phosphotungstic acid. The prepared catalysts were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), ultraviolet-visible diffuse reflection spectroscopy (UV-vis) and thermal gravimetric analysis (TGA). The catalytic activity of La3+-H3PW12O40 and Ce3+-H3PW12O40 was evaluated by adopting methyl orange (MO) and Rhodamine B (RhB) as model dyes, and the reaction was carried out under UV- and visible light irradiation.

Graphical abstract: Photocatalytic degradation of organic dyes by La3+/Ce3+-H3PW12O40 under different light irradiation

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Publication details

The article was received on 07 Feb 2014, accepted on 20 Mar 2014 and first published on 20 Mar 2014


Article type: Paper
DOI: 10.1039/C4DT00402G
Author version available: Download Author version (PDF)
Citation: Dalton Trans., 2014,43, 9061-9069
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    Photocatalytic degradation of organic dyes by La3+/Ce3+-H3PW12O40 under different light irradiation

    T. Li, Q. Li, J. Yan and F. Li, Dalton Trans., 2014, 43, 9061
    DOI: 10.1039/C4DT00402G

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