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题名: Structural and photocatalytic properties of novel Bi2GaVO7
作者: Luan, Jingfei;  Cai, Hongling;  Zheng, Shourong;  Hao, Xiping;  Luan, Guoyou;  Wu, Xiaoshan;  Zou, Zhigang
关键词: inorganic compounds ;  electrochemical properties ;  optical properties ;  crystal structure
刊名: MATERIALS CHEMISTRY AND PHYSICS
发表日期: 2007-07-15
DOI: 10.1016/j.matchemphys.2007.02.096
卷: 104, 期:1, 页:119-124
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Multidisciplinary
研究领域[WOS]: Materials Science
英文摘要: Bi2GaVO7 was synthesized by solid-state reaction method for the first time and its structural and photocatalytic properties were investigated. The results indicated that this compound crystallizes in the tetragonal crystal system with space group I4/mmm. In addition, the band gap of Bi2GaVO7 was estimated to be about 2.13(8) eV. For the photocatalytic water splitting reaction, H-2 or O-2 evolution was observed from pure water with Bi2GaVO7 as the photocatalyst under ultraviolet light irradiation. Photocatalytic degradation of aqueous methylene blue (MB) dye over this compound was further investigated under visible light irradiation. Bi2GaVO7 showed notable higher catalytic activity compared to P-25 for MB photocatalytic degradation under visible light irradiation. Complete removal of aqueous MB was observed after visible light irradiation for 170 min with Bi2GaVO7 as the photocatalyst. The decrease of the total organic carbon (TOC) and the formation of inorganic products, SO42- and NO3-, demonstrated the continuous mineralization of aqueous MB during the photocatalytic process. (c) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: VISIBLE-LIGHT IRRADIATION ;  PHOTOPHYSICAL PROPERTIES ;  CONCENTRATED SUNLIGHT ;  PHYSICAL-PROPERTIES ;  METHYLENE-BLUE ;  CARBON-DIOXIDE ;  WATER ;  CATALYST ;  DEGRADATION ;  ELECTRODE
语种: 英语
WOS记录号: WOS:000247862200021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140680
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210093, Peoples R China
2.Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
4.Nanjing Univ, Eco Mat & Renewable Energy Res Ctr, Nanjing 210093, Peoples R China

Recommended Citation:
Luan, Jingfei,Cai, Hongling,Zheng, Shourong,et al. Structural and photocatalytic properties of novel Bi2GaVO7[J]. MATERIALS CHEMISTRY AND PHYSICS,2007,104(1):119-124.
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