Ag2 Mo3 O10 Nanorods Decorated with Ag2 S Nanoparticles: Visible-Light Photocatalytic Activity, Photostability, and Charge Transfer

Chemistry : a European Journal
Xianjie ChenXiaobo Chen

Abstract

Ag2 Mo3 O10 nanorods decorated with Ag2 S nanoparticles have been synthesized by an anion-exchange route. With thiourea as the sulfur source, sulfur ions replace [Mo3 O10 ](2-) units of active sites on the surface of Ag2 Mo3 O10 nanorods, forming Ag2 Mo3 O10 nanorods decorated with Ag2 S nanoparticles. This induces enhanced absorption in the visible-light region. Ag2 S nanoparticles decorate the surface of Ag2 Mo3 O10 nanorods uniformly with a suitable amount of thiourea. The Ag2 S/Ag2 Mo3 O10 nanoheterostructure enhances the photocatalytic activity on the degradations of Rhodamine B and glyphosate under visible light. This enhancement is attributed to the improved absorption of visible light and effective separation of charge carriers in the nanoheterostructure. Meanwhile, the Ag2 S/Ag2 Mo3 O10 nanoheterostructure displays good photocatalytic stability based on cyclic photocatalytic experiments.

References

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