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Citation: ZHOU Yuan, LIU Suqin, LIANG Ying. Ag₃PO₄/WO₃ Composite with Highly Visible-light Photocatalytic Activity and Stability[J]. Chinese Journal of Applied Chemistry, ;2013, 30(6): 673-676. doi: 10.3724/SP.J.1095.2013.20367 shu

Ag₃PO₄/WO₃ Composite with Highly Visible-light Photocatalytic Activity and Stability

ZHOU Yuan ^a, ,
LIU Suqin ^a,b ,
LIANG Ying ^a

a. Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, China;
b. Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Xiangyang 441053, China

Received Date: 24 August 2012
Revised Date: 4 October 2012

Ag₃PO₄/WO₃ composite was prepared by an ion-exchange method. The prepared samples were characterized by X-ray diffraction(XRD),scanning electron microscopy(SEM) and UV-Vis absorption spectroscopy. The photocatalytic activity of the different samples were evaluated by photocatalytic degradation of methyl orange aqueous solutions under visible-light irradiation(λ > 420 nm). The results showed that Ag₃PO₄/WO₃ exhibited much higher photocatalytic activity and stability than pristine Ag₃PO₄. The reason is that the photoinduced electrons on the conduct band of Ag₃PO₄ can be easily transferred to WO₃,resulting in the increase of the separation of photogenerated carriers and the reduction of Ag₃PO₄.
- Ag₃PO₄/WO₃,
- visible light,
- photocatalysis,
- stability
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Ag3PO4/WO3 Composite with Highly Visible-light Photocatalytic Activity and Stability

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通讯作者: 陈斌, bchen63@163.com

Ag₃PO₄/WO₃ Composite with Highly Visible-light Photocatalytic Activity and Stability