Controllable synthesis of self-assembled Cu2S nanostructures through a template-free polyol process for the degradation of organic pollutant under visible light

被引:61
作者
Peng, Meng [1 ]
Ma, Li-Li [1 ]
Zhang, Yong-Gang [1 ]
Tan, Ming [1 ]
Wang, Jian-Bo [2 ]
Yu, Ying [1 ]
机构
[1] Huazhong Normal Univ, Inst Nanosci & Nanotechnol, Wuhan 430079, Peoples R China
[2] Wuhan Univ, Ctr Electron Microscopy, Wuhan 430072, Peoples R China
基金
中国国家自然科学基金;
关键词
Nanostructures; Chemical synthesis; Catalytic properties; THIN-FILMS; PHOTOCATALYTIC ACTIVITY; CDTE NANOPARTICLES; OPTICAL-PROPERTIES; CARBON NANOTUBES; GROWTH; TIO2; NANOCRYSTALS; SINGLE; SUPERSTRUCTURES;
D O I
10.1016/j.materresbull.2009.05.015
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Cu2S nanostructures were fabricated by polyol method and then characterized by X-ray diffractometer, scanning electron microscopy, transmission electron microscopy (TEM) and high resolution TEM. The morphologically different Cu2S nanostructures such as vertically nanorod arrays, nanoflowers assembled by nanorod arrays. nanoparticles and nanowires, can be successfully synthesized under different experimental conditions. The growth mechanism for the different nanostructures is proposed. The photocatalytic activity of the prepared samples was evaluated based on the degradation of organic pollutant, active brilliant red X-3B (X-3B), under visible light. Among the Cu2S nanostructures, self-assembled nanoflowers have the highest photocatalytic activity. In addition, the prepared Cu2S nanostructures are found to be able to decolorize X-3B with iron ions for the formation of Fenton reagent. This study provides a more choice to prepare self-assembled nanostructures for the application of environmental pollution control. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1834 / 1841
页数:8
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