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Published in: Journal of Materials Science 17/2014

01-09-2014

SnO2/g-C3N4 photocatalyst with enhanced visible-light photocatalytic activity

Authors: Rong Yin, Qingzhi Luo, Desong Wang, Haitao Sun, Yuanyuan Li, Xueyan Li, Jing An

Published in: Journal of Materials Science | Issue 17/2014

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Abstract

Visible light-responsive SnO2/g-C3N4 nanocomposite photocatalysts were prepared by ultrasonic-assisting deposition method with melamine as a g-C3N4 precursor. The as-prepared photocatalysts were characterized by X-ray diffraction, transmission electron microscopy, UV–vis diffuse reflectance spectroscopy, Fourier transform infrared spectra and photoluminescence emission spectra. The photocatalytic activities of the samples were evaluated by monitoring the degradation of methyl orange solution under visible light irradiation (wavelength ≥400 nm). The results show that the SnO2 nanoparticles with the size of 2–3 nm are dispersed on the surface of g-C3N4 evenly in SnO2/g-C3N4 nanocomposites. The visible-light photocatalytic activity of SnO2/g-C3N4 nanocomposites is much higher than that of pure g-C3N4, and increases at first and then decreases with the increment of the content of g-C3N4 in the nanocomposites. The visible-light photocatalytic mechanism of the investigated nanocomposites has been discussed.

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Metadata
Title
SnO2/g-C3N4 photocatalyst with enhanced visible-light photocatalytic activity
Authors
Rong Yin
Qingzhi Luo
Desong Wang
Haitao Sun
Yuanyuan Li
Xueyan Li
Jing An
Publication date
01-09-2014
Publisher
Springer US
Published in
Journal of Materials Science / Issue 17/2014
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-014-8330-0

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