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Journal of Materials Science
Published in: Journal of Materials Science 17/2020

10-03-2020 | Energy materials

Enhanced removal of pollutant in a BiPO4–SiO2 hybrid hydrogel via an adsorption–enrichment and in situ photocatalysis synergy

Authors: Yajun Wang, Wencan Zhang, Mengmeng Liu, Zhouliang Geng, Yan Li, Luhao Feng, Guiyuan Jiang, Yuming Li, Wenqing Yao, Yanyan Zhu

Published in: Journal of Materials Science | Issue 17/2020

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Abstract

Designing a material with the advantage of adsorption–enrichment and photocatalysis degradation has great practical significance in water treatment. BiPO4, as a promising photocatalyst for environmental purification, still suffers from small specific surface area and relative low photocatalytic activity. Herein, BiPO4–SiO2 hybrid hydrogels were successfully fabricated by facile two-step methods. BiPO4 nanorods are uniformly compounded with SiO2 spheres, and the specific surface area of BiPO4 is enhanced by 2.3 times after forming a network structure. 90% BiPO4–SiO2 hybrid hydrogel presents the highest photocatalytic degradation activities, which is 3.4 times that of pure BiPO4. The total organic carbon removal ability of BiPO4 is also enhanced by 1.1 times after constructing a hybrid hydrogel. The pollutant removal enhancement of BiPO4–SiO2 hybrid hydrogel can be attributed to the synergistic effect of adsorption–enrichment and photocatalytic degradation. Our results may provide a promising way to greatly enhance the pollutant removal performance of BiPO4, which may promote the industrial application of BiPO4.
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Appendix
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Metadata
Title
Enhanced removal of pollutant in a BiPO4–SiO2 hybrid hydrogel via an adsorption–enrichment and in situ photocatalysis synergy
Authors
Yajun Wang
Wencan Zhang
Mengmeng Liu
Zhouliang Geng
Yan Li
Luhao Feng
Guiyuan Jiang
Yuming Li
Wenqing Yao
Yanyan Zhu
Publication date
10-03-2020
Publisher
Springer US
Published in
Journal of Materials Science / Issue 17/2020
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-020-04529-2

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