Synthesis and photocatalytic activity of TiO2/CeO2 core-shell nanotubes

被引：22
|
作者：
Qu, Xiaofei [1 ]
Xie, Dandan [1 ]
Gao, Lei [1 ]
Du, Fanglin [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2014年 / 26卷
关键词：
AAO template; TiO2/CeO2 core-shell nanotube; Photocatalysis; Methyl orange degradation; TIO2; PHOTOCATALYST; UV; NANOPARTICLES; ENHANCEMENT; NANOCOMPOSITE; DEGRADATION; COMPOSITE; WATER;
D O I：
10.1016/j.mssp.2014.04.009
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this study, TiO2 nanotubes, CeO2 nanotubes, and TiO2/CeO2 core-shell nanotubes were synthesized using a sol-gel method aided by an anodic aluminum oxide (AAO) template. The prepared materials were characterized via scanning electron microscopy, energy-dispersive spectroscopy, transmission electron microscopy, and powder X-ray diffraction measurements. Photocatalytic activities of the materials in the degradation of the organic pollutant methyl orange were studied. The results showed that all of the materials were successfully grown into the nanochannels of the AAO templates. In particular, the TiO2/CeO2 CeO2 core-shell nanotubes could be obtained layer by layer. In comparison with the arrays of pure TiO2 or CeO2 nanotubes, TiO2/CeO2 nanotube array showed higher photocatalytic activity under UV irradiation. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：657 / 662
页数：6
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