Electrospun Er:TiO2 nanofibrous films as efficient photocatalysts under solar simulated light

被引：51

作者：

Yang, Yang ^{[1
]}

Zhang, Chengcheng ^{[1
]}

Xu, Yue ^{[2
]}

Wang, Haiying ^{[3
]}

Li, Xiang ^{[1
]}

Wang, Ce ^{[1
]}

机构：

[1] Jilin Univ, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China

[2] Jilin Univ, Test Sci Expt Ctr, Changchun 130023, Peoples R China

[3] Changshu Inst Technol, Dept Chem & Mat Engn, Changshu 215500, Peoples R China

来源：

MATERIALS LETTERS | 2010年 / 64卷 / 02期

关键词：

Nanofibers; Photocatalytic activities; Electrospinning; TITANIUM-DIOXIDE; TIO2; NANOPARTICLES; VISIBLE-LIGHT; DEGRADATION; SIZE; SUSPENSION; SURFACES; AIR;

D O I：

10.1016/j.matlet.2009.10.028

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

TiO2 nanofibrous films with variable amounts of erbium were prepared via electrospinning. Analytical results demonstrated that the doping of erbium inhibited the phase transformation and the crystallite growth of TiO2. The doped samples were more efficient for degradation of methylene blue than TiO2, and an optimal dosage of erbium at 0.5% activated at 773 K achieved the highest degradation rate. The higher photoactivity might be attributable to the transition of 4f electrons of erbium, particle size, phase composition and the increase of the separating rate of photogenerated charges by erbium doping, (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：147 / 150

页数：4

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