Citation: MA Ling-Juan, HOU Meng-Ning, MA Hong-Bin, CAO Zhen, XUE Zhen, LU Yue-Ru. MoO₃-C₃N₄ Photocatalysts with High Performance for Degradation of Methyl Orange under Visible Light[J]. Chinese Journal of Inorganic Chemistry, ;2018, 34(10): 1899-1909. doi: 10.11862/CJIC.2018.251 shu

MoO₃-C₃N₄ Photocatalysts with High Performance for Degradation of Methyl Orange under Visible Light

School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, China

Corresponding author: MA Ling-Juan, malingjuan@qfnu.edu.cn
Received Date: 26 April 2018
Revised Date: 4 September 2018

Figures(14)

High performance MoO₃-C₃N₄ photocatalysts were prepared by impregnation method with (NH₄)₆Mo₇O₂₄·4H₂O and C₃N₄ as precursors. The MoO₃-C₃N₄ photocatalysts were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), high resolution transmission electron microscopy (HRTEM) and nitrogen physisorption isotherm. And methyl orange (MO) degradation was chosen to test the photocatalytic performance of MoO₃-C₃N₄. It was found that all MoO₃-C₃N₄ samples showed very high surface area, exhibited high photocatalytic activity for MO degradation under visible light irradiation and the content of MoO₃ affected the photocatalytic activity. The rate constant of 1.60%(w/w) MoO₃-C₃N₄ was 50 times higher than that of pure C₃N₄. The enhancement of photocatalytic activity over the heterojunction catalyst could be directly attributed to the Z-scheme photo-generated charge carrier transfer process, which contributes to suppressed recombination rate of photogenerated electron-hole pairs and prolonged lifetime of charge carriers caused by hybridization of MoO₃.
- MoO₃-C₃N₄,
- C₃N₄,
- photocatalysis,
- methyl orange,
- photodegradation
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沈阳化工大学材料科学与工程学院沈阳 110142

MoO3-C3N4 Photocatalysts with High Performance for Degradation of Methyl Orange under Visible Light

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MoO₃-C₃N₄ Photocatalysts with High Performance for Degradation of Methyl Orange under Visible Light