NDLI: Insight into the mechanism of photocatalytic degradation of gaseous o-dichlorobenzene over flower-type V2O5 hollow spheres

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Insight into the mechanism of photocatalytic degradation of gaseous o-dichlorobenzene over flower-type V₂O₅ hollow spheres

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Journal of Materials Chemistry A Vol - 3 Issue - 19

Journal of Materials Chemistry A Vol - 3 Issue - 9

Journal of Materials Chemistry A Vol - 3 Issue - 8

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Journal of Materials Chemistry A Vol -1

Insight into the mechanism of photocatalytic degradation of gaseous o-dichlorobenzene over flower-type V₂O₅ hollow spheres

Content Provider	Royal Society of Chemistry (RSC)
Author	Liu, Jie Tadé, Moses Wang, Shaobin Zhao, Qidong Liu, Baojun Li, Xinyong Liu, Shaomin
Copyright Year	2015
Abstract	This work aims to explore the mechanism of photocatalytic degradation of gaseous 1,2-dichlorobenzene (o-DCB) over vanadium pentoxide (V2O5) hollow spheres. To this end, flower-type V2O5 hollow microspheres with diameters of about 700–800 nm were obtained with the assistance of carbon-sphere templates, and then tested in the photodegradation of o-DCB under visible light (λ > 400 nm). Due to its strong adsorption capacity and large specific surface area, the V2O5 hollow structure showed high photocatalytic activity in the degradation of gaseous o-DCB under visible light. Furthermore, the o-DCB degradation mechanism was investigated by using in situ Fourier transform infrared (FTIR) spectroscopy, and the intermediates, such as o-benzoquinone-type and organic acid species, and final products (CO2 and H2O) were also confirmed. Then, the reaction pathways over V2O5 were proposed. The outstanding performance indicated that the photocatalysts could be applied to air purification for Chlorinated Volatile Organic Compound (Cl–VOC) removal.
Starting Page	15163
Ending Page	15170
Page Count	8
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	3
Issue Number	29
Journal	Journal of Materials Chemistry A
DOI	10.1039/c5ta02295a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Dichlorobenzene Vanadium(V) oxide Photodegradation Adsorption Specific surface area Fourier transform Infrared spectroscopy Spectroscopy Acid Water Volatile organic compound
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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Insight into the mechanism of photocatalytic degradation of gaseous o-dichlorobenzene over flower-type V₂O₅ hollow spheres