Characterization and photocatalytic activity for methylene blue degradation of iron-deposited TiO_2 photocatalyst

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	Characterization and photocatalytic activity for methylene blue degradation of iron-deposited TiO_2 photocatalyst
	Xu Yuehua 1; Wang Liangyan 1; Huang Cong 1; Li Xinjun1 ; Li Fangbai 2; Zheng Shaojian1 ; Zhang Qi1
	2003
Source Publication	Transactions of Nonferrous Metals Society of China
ISSN	1003-6326
Volume	13 Issue:5 Pages:1247
Abstract	Iron-deposited TiO2 was prepared by photo-reducing ferric ions. The photocatalytic activity of methylene blue degradation was enhanced after TiO2 was deposited with iron, and the optimum n(Fe)/n(Ti) is 0.25%. TiO2 and iron-deposited TiO2 are anatase and rutile, and anatase is the dominant crystalline phase. In all samples, the XRD patterns indicate that there are. no characteristic peaks of iron to be detected. XPS confirms that Fe3+ and Fe3+ are present on the surface of 0.5% iron-deposited TiO2, however they are not susceptible to XRD detection. The thermodynamics analysis shows that the alternative possibility of reduction from the Fe3+/Fe2+ couple seems plausible, but Fe2+ can not be reduced to Fe. The fluorescence intensity weakens after iron is deposited on TiO2, because iron deposited traps photo-generated electrons and holes. The fluorescence intensity order of TiO2 and iron-deposited TiO2, from strong to weak, is in good agreement with that of photocatalytic reactiveness TiO2 and iron-deposited TiO2, from low to high.
Language	英语
Document Type	期刊论文
Identifier	http://ir.giec.ac.cn/handle/344007/19750
Collection	中国科学院广州能源研究所
Affiliation	1.中国科学院广州能源研究所 2.Guangdong Institute of Eco-Environment and Soil Science
First Author Affilication	GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation GB/T 7714	Xu Yuehua,Wang Liangyan,Huang Cong,et al. Characterization and photocatalytic activity for methylene blue degradation of iron-deposited TiO_2 photocatalyst[J]. Transactions of Nonferrous Metals Society of China,2003,13(5):1247.
APA	Xu Yuehua.,Wang Liangyan.,Huang Cong.,Li Xinjun.,Li Fangbai.,...&Zhang Qi.(2003).Characterization and photocatalytic activity for methylene blue degradation of iron-deposited TiO_2 photocatalyst.Transactions of Nonferrous Metals Society of China,13(5),1247.
MLA	Xu Yuehua,et al."Characterization and photocatalytic activity for methylene blue degradation of iron-deposited TiO_2 photocatalyst".Transactions of Nonferrous Metals Society of China 13.5(2003):1247.

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