Influence of Fe3+ and Ho3+ co-doping on the photocatalytic activity of TiO2

	Influence of Fe3+ and Ho3+ co-doping on the photocatalytic activity of TiO2
	J. W. Shi ; J. T. Zheng ; Y. Hu ; Y. C. Zhao
刊名	Materials Chemistry and Physics
	2007-12
卷号	106 期号:2-3 页码:247-249
关键词	TiO2 photocatalysis doping iron holmium methyl orange degradation nanoparticles sol titania nanocrystallites lanthanum nitrogen surface phenol water
ISSN号	0254-0584
中文摘要	The un-doping, single-doping and co-doping TiO2 nanoparticles have been prepared by sol-gel method with Ti(OC4H9)(4) as a raw material and characterized by X-ray diffraction (XRD) and UV-vis absorption spectra, and their photocatalytic activities have been investigated by photocatalytic oxidation of methyl orange. It is found that Fe3+-doping broadens the absorption profile, improves photoutilization of TiO2, and then generates more electron-hole pairs. Ho3+-doping restrains the increase of grain size, leads to crystal expansion and matrix distortion and retards the recombination of the photoexcited charge carriers. The photocatalytic activity of TiO2 co-doped with Fe3+ and Ho3+ ions is markedly improved due to the cooperative actions of the two dopants. (C) 2007 Elsevier B.V. All rights reserved.
语种	英语
公开日期	2013-04-01
内容类型	期刊论文
源URL	[http://ir.fjirsm.ac.cn/handle/350002/6596]
专题	福建物质结构研究所_中科院福建物质结构研究所_期刊论文
推荐引用方式 GB/T 7714	J. W. Shi,J. T. Zheng,Y. Hu,et al. Influence of Fe3+ and Ho3+ co-doping on the photocatalytic activity of TiO2[J]. Materials Chemistry and Physics,2007,106(2-3):247-249.
APA	J. W. Shi,J. T. Zheng,Y. Hu,&Y. C. Zhao.(2007).Influence of Fe3+ and Ho3+ co-doping on the photocatalytic activity of TiO2.Materials Chemistry and Physics,106(2-3),247-249.
MLA	J. W. Shi,et al."Influence of Fe3+ and Ho3+ co-doping on the photocatalytic activity of TiO2".Materials Chemistry and Physics 106.2-3(2007):247-249.