A recyclable and stable BiOI/agarose hybrid gel photocatalyst for photodegradation of Rhodamine B

A novel hydrogel-based photocatalyst was prepared by synthesizing dispersively the BiOI microspheres in the agarose hydrogel (AG) matrix. The results from X-ray diffraction and Fourier-transform infrared spectroscopy analyses demonstrated that the BiOI and AG co-exist in the prepared BiOI/AG sample....

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2018-10, Vol.29 (19), p.16454-16459
Main Authors: Li, Shiping, Lu, Huan, Zhu, Gangqiang, Hojamberdiev, Mirabbos, Gao, Jianzhi, Wei, Xiumei, Liu, Peng
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Fourier transforms
Hydrogels
Infrared analysis
Light irradiation
Materials Science
Microspheres
Optical and Electronic Materials
Photocatalysis
Photocatalysts
Photodegradation
Recyclability
Rhodamine
Titanium dioxide
X-ray diffraction
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Summary:A novel hydrogel-based photocatalyst was prepared by synthesizing dispersively the BiOI microspheres in the agarose hydrogel (AG) matrix. The results from X-ray diffraction and Fourier-transform infrared spectroscopy analyses demonstrated that the BiOI and AG co-exist in the prepared BiOI/AG sample. The scanning electron microscopic observation revealed that the size of BiOI microspheres is about 2 µm. The BiOI/AG composite photocatalyst showed an enhanced photocatalytic property in degrading Rhodamine B under simulated solar light irradiation compared to the TiO 2 /AG. The stability and recyclability tests confirmed that the BiOI/AG composite photocatalyst is stable during the photodegradation reaction and can be easily separated from the solution and recycled for more than seven times.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-018-9737-1