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Efficient facet regulation of BiVO4 and its photocatalytic motivation
Shan, Lianwei; Lu, Changhui; Dong, Limin; Suriyaprakash, Jagadeesh
2019-10-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume804Pages:385-391
AbstractThis work investigates a series of BiVO4 with different (010) and (110) facets ratio. The crystal structure, morphology, and photophysical properties of BiVO4 samples were all characterized by XRD, FE-SEM, TEM, XPS, PL, UV-vis and BET techniques. Photocatalytic performances of BiVO4 samples with different (010) and (110) facets ratio were evaluated by the O-2 evolution and decolorization of thymolblue under the simulated sunlight irradiation. It showed that a positive relationship exists between the photocatalytic activities (O-2 evolution) and the (010) facet ratio. The plate-like msBiVO(4) exhibited exceptional O-2 evolution ability approximately 4 times greater than bipyramid msBiVO 4 under the simulated sunlight. The photocatalytic performances of plate-like msBiVO(4) mainly originates from the weak-binding effect of (010) facet for photo-generated carrier compared with (110)-dominant msBiVO(4). The built-in of inner electric fields directed from (110) facet to (010) facet, further enhancing the transfers of photo-generated electron-hole pairs by the action of potential energy difference. The entirely exposed (110) facet of msBiVO(4) in this study provides us with an opportunity to explore the key factor for its photocatalysis. (C) 2019 Published by Elsevier B.V.
KeywordBiVO4 Facet Photocatalytic properties
Indexed BySCI
Language英语
WOS IDWOS:000478575100043
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80711
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Shan, Lianwei,Lu, Changhui,Dong, Limin,et al. Efficient facet regulation of BiVO4 and its photocatalytic motivation[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,804:385-391.
APA Shan, Lianwei,Lu, Changhui,Dong, Limin,&Suriyaprakash, Jagadeesh.(2019).Efficient facet regulation of BiVO4 and its photocatalytic motivation.JOURNAL OF ALLOYS AND COMPOUNDS,804,385-391.
MLA Shan, Lianwei,et al."Efficient facet regulation of BiVO4 and its photocatalytic motivation".JOURNAL OF ALLOYS AND COMPOUNDS 804(2019):385-391.
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