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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 1/2015

01.10.2015 | Original Paper

Enhanced photocatalytic performance of Ag-decorated BiFeO3 in visible light region

verfasst von: Huidan Lu, Zhenyu Du, Jixiang Wang, Yongping Liu

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 1/2015

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Abstract

In this paper, a novel photocatalyst, made up of Ag/BiFeO3 nanocomposites activated by visible light, was successfully synthesized using a sol–gel process, followed by a chemical reduction method. The as-prepared BiFeO3 particles and Ag/BiFeO3 nanocomposites were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy and diffuse reflectance spectroscopy. The results showed that the metal Ag nanoparticles with diameter of 20–50 nm are anchored on the surface of BiFeO3. Meanwhile, the photocatalytic experiments demonstrated that the Ag/BiFeO3 composites had excellent photocatalytic activity for the decomposition of methyl orange in visible light, which far exceeded that of the pure BiFeO3. These results revealed Ag loading could significantly improve the photocatalytic property of BiFeO3. Recycle experiments showed the nanocomposites had an excellent recoverability, suggesting stable photoactivity. Finally, we discuss the photocatalytic mechanism of nanocomposites. The enhanced photoactivity of Ag-decorated BiFeO3 photocatalyst is most likely attributed to the electronic effect of Ag nanoparticles including surface plasmon resonance.

Graphical Abstract

Vorheriger Artikel Luminescence properties of Lu3M5O12:Eu3+ (M = Al, Ga) and effects of Bi3+ co-dopant
Nächster Artikel Preparation and properties of NC/RDX/AP nano-composite energetic materials by the sol–gel method

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Metadaten
Titel
Enhanced photocatalytic performance of Ag-decorated BiFeO3 in visible light region
verfasst von
Huidan Lu
Zhenyu Du
Jixiang Wang
Yongping Liu
Publikationsdatum
01.10.2015
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 1/2015
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-015-3749-6

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