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题名: Structural characterization and photocatalytic properties of novel Bi(2)YVO(8)
作者: Luan, Jingfei1;  Zheng, Zheng1;  Cai, Hongling2;  Wu, Xiaoshan2;  Luan, Guoyou3;  Zou, Zhigang4
关键词: Inorganic compounds ;  Oxides ;  X-ray diffraction ;  Catalytic properties ;  Optical properties
刊名: MATERIALS RESEARCH BULLETIN
发表日期: 2008-12-01
DOI: 10.1016/j.materresbull.2008.02.012
卷: 43, 期:12, 页:3332-3344
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: Bi(2)YVO(8) was prepared by solid-state reaction for the first time. The structural and photocatalytic properties of Bi(2)YVO(8) were studied. The results showed that this compound has the tetragonal crystal system with space group I4/mmm. The band gap of Bi(2)YVO(8) was estimated to be about 2.09 eV by plotting (alpha h nu)(2) versus h nu and obtaining the h nu axis intercept value according to Tauc's equation. For the photocatalytic water splitting reaction, H(2) or O(2) evolution was observed from pure water with Bi(2)YVO(8) as the photocatalyst under ultraviolet light irradiation (wavelength = 390 nm). Degradation of aqueous methylene blue photocatalyzed by this compound was investigated under visible light irradiation. Bi(2)YVO(8) showed higher photocatalytic activity compared to Bi(2)YTaO(7), Bi(2)InTaO(7) or TiO(2) (P-25). Complete removal of aqueous methylene blue was achieved after visible light irradiation for 170 min. The decrease of the total organic carbon and the formation of inorganic products such as SO(4)(2-) and NO(3)(-) revealed the continuous mineralization of aqueous methylene blue during photocatalytic reaction. (c) 2008 Elsevier Ltd. All rights reserved.
关键词[WOS]: VISIBLE-LIGHT IRRADIATION ;  AQUEOUS TIO2 DISPERSIONS ;  METHYLENE-BLUE ;  POLY(ETHYLENE GLYCOL) ;  PHOTONIC EFFICIENCY ;  DEGRADATION ;  WATER ;  SILICA ;  POLLUTANTS ;  TITANIA
语种: 英语
WOS记录号: WOS:000261361900018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141186
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, Ecomat & Renewable Energy Res Ctr, Nanjing 210093, Peoples R China

Recommended Citation:
Luan, Jingfei,Zheng, Zheng,Cai, Hongling,et al. Structural characterization and photocatalytic properties of novel Bi(2)YVO(8)[J]. MATERIALS RESEARCH BULLETIN,2008,43(12):3332-3344.
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