磁性MWNTs/ZnS/Fe3O4纳米复合材料的合成及其增强光催化活性

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry Pub Date : 2016-05-03 DOI:10.1080/15533174.2015.1031047

Xiao-jie Song, Fan-Ming Yang, Qun Fang, Hanmei Hu, Fei Xu

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引用次数: 3

摘要

采用原位化学沉淀法，在磁性多壁碳纳米管(MWNTs)表面制备了Fe3O4和ZnS纳米颗粒的磁性多壁碳纳米管/Fe3O4纳米复合材料。采用x射线衍射、透射电子显微镜、高分辨率透射电子显微镜和能量色散x射线能谱对纳米复合材料进行了表征。结果表明，MWNTs/ZnS/Fe3O4纳米复合材料对亚甲基蓝溶液的光催化活性明显高于纯ZnS NPs。此外，作为一种磁性材料，MWNTs/ZnS/Fe3O4纳米复合材料可以很容易地通过外部磁铁从水溶液中收集并重复使用。

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Synthesis of Magnetic MWNTs/ZnS/Fe3O4 Nanocomposites and Their Enhanced Photocatalytic Activity

Magnetic multiwalled carbon nanotubes (MWNTs)/ZnS/Fe3O4 nanocomposites were prepared using Fe3O4 and ZnS nanoparticles via in situ chemical precipitation method onto the surface of MWNTs. The nanocomposites were characterized by X-ray diffraction, transmission electron microscopy, high-resolution transmission electron microscopy, and energy-dispersive X-ray spectroscopy. The results revealed that the photocatalytic activity of MWNTs/ZnS/Fe3O4 nanocomposites for methylene blue solution increased obviously compared with pure ZnS NPs. Moreover, as a magnetic material, MWNTs/ZnS/Fe3O4 nanocomposites could be easily collected from aqueous solution by an external magnet, and used repeatedly.

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来源期刊

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry 工程技术-纳米科技

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审稿时长

5 months