Synthesis of Fe3+ doped ordered mesoporous TiO2 with enhanced visible light photocatalytic activity and highly crystallized anatase wall

被引：23
|
作者：
Yuan, Xiao-Li [1 ,2 ]
Zhang, Jin-Long [1 ,2 ]
Anpo, Masakazu [3 ]
He, Dan-Nong [4 ]
机构：
[1] E China Univ Sci & Technol, Adv Mat Lab, Shanghai 200237, Peoples R China
[2] E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China
[3] Osaka Prefecture Univ, Dept Appl Chem, Grad Sch Engn, Osaka 5998531, Japan
[4] Shanghai Natl Engn Res Ctr Nanotechnol, Shanghai 200237, Peoples R China
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2010年 / 36卷 / 01期
关键词：
Fe3+ doped; Mesoporous TiO2; Photocatalytic activity; Methyl orange; TITANIA; FILMS; REACTIVITY; NITROGEN; POWDERS;
D O I：
10.1007/s11164-010-0117-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Fe3+ doped mesoporous TiO2 with ordered mesoporous structure were successfully prepared by the solvent evaporation-induced self-assembly process using P123 as soft template. The properties and structure of Fe3+ doped mesoporous TiO2 were characterized by means of XRD, EPR, BET, TEM, and UV-vis absorption spectra. The characteristic results clearly show that the amount of Fe3+ dopant affects the mesoporous structure as well as the visible light absorption of the catalysts. The photocatalytic activity of the prepared mesoporous TiO2 was evaluated from an analysis of the photodegradation of methyl orange under visible light irradiation. The results indicate that the sample of 0.50%Fe-MTiO2 exhibits the highest visible light photocatalytic activity compared with other catalysts.
引用
收藏
页码：83 / 93
页数：11
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