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Issue 18, 2016
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Synthesis of the visible-light-driven Ag3VO4/Ag3PO4/Ag photocatalysts with enhanced photocatalytic activity

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Abstract

A novel visible-light-driven Ag3VO4/Ag3PO4/Ag photocatalyst was successfully synthesized via an anion-exchange reaction and characterized by X-ray diffraction, field emission scanning electron microscopy, X-ray photoelectron spectroscopy, UV-vis diffuse-reflectance spectroscopy and Fourier transform infrared spectroscopy. The photocatalytic activities of prepared catalysts were evaluated by degradation of acid blue 92 (AB92) aqueous solutions under visible light irradiation. The photocatalytic results indicated that the synthesized Ag3VO4/Ag3PO4/Ag hybrid displays a significantly enhanced activity in degradation of acid blue 92 under visible light compared with pure Ag3VO4. The improved photocatalytic activity can be attributed to the efficient separation of photo-induced electrons and holes in the composite. A possible mechanism has been proposed for this improvement.

Graphical abstract: Synthesis of the visible-light-driven Ag3VO4/Ag3PO4/Ag photocatalysts with enhanced photocatalytic activity

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Article information


Submitted
05 Jan 2016
Accepted
18 Jan 2016
First published
21 Jan 2016

RSC Adv., 2016,6, 14909-14915
Article type
Paper
Author version available

Synthesis of the visible-light-driven Ag3VO4/Ag3PO4/Ag photocatalysts with enhanced photocatalytic activity

E. Akbarzadeh, S. R. Setayesh and M. R. Gholami, RSC Adv., 2016, 6, 14909 DOI: 10.1039/C6RA00279J

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