Carbon nanotubes-dispersed TiO2 nanoparticles with their enhanced photocatalytic activity

被引：0

作者：

机构：

[1] Liu, Bo

[2] Xu, Youfeng

[3] Cui, Jing

[4] 1,Wang, Sheng

[5] 1,Wang, Tao

来源：

Wang, S. (wangsheng571@hotmail.com) | 1600年 / Elsevier Ltd卷 / 59期

基金：

中国国家自然科学基金;

关键词：

Field emission microscopes - X ray diffraction - Photodegradation - Carbon nanotubes - High resolution transmission electron microscopy - Nanoparticles - Yarn - Photocatalysis - Scanning electron microscopy - Specific surface area;

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摘要：

A novel carbon nanotubes (CNTs)-dispersed route is used to prepare high-activity titanium dioxide nanoparticles (TiO2). Field-emission scanning electron microscopy and transmission electron microscopy reveals that the irregular TiO2 nanoparticles with diameters of 10-20 nm are highly dispersed. X-ray diffraction and specific surface area measurement show that high-activity anatase crystal is formed and the specific surface area of TiO2 nanoparticles is 147.36 m2/g. The photoactivity of TiO2 was tested by photodegradation of Rhodamine B. The result shows that the photocatalytic activity of TiO2 nanoparticles prepared by the CNTs-dispersed route is three times higher than that by conventional hydrothermal treatment. © 2014 Elsevier Ltd. All rights reserved.

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