用于降解染料废水的 C@Fe3O4 支持钯磁性纳米粒子的制备与表征

IF 0.7 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science Pub Date : 2024-02-19 DOI:10.5755/j02.ms.34915

Xue Fang, Yang Wang, Xianghong Cui, Shumeng Zhou, Haijian Jiang, Meihuui Song, Liming Yao, Xiaochen Zhang

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引用次数: 0

摘要

以超顺磁性的Fe3O4纳米球为磁芯，以可溶性淀粉树脂为碳源，通过溶热法合成了核壳结构的Fe3O4@C磁性纳米粒子。通过在 Fe3O4 纳米粒子表面碳化有机材料，制备了具有核壳结构的氧化硅-氧化铁和 Fe3O4@C 载体，并将 Fe3O4@C 支持的钯加工成核壳结构的磁性纳米催化剂，研究了其催化性能。所制备的环境友好型磁性材料可用于降解染料废水。利用 TEM、XRD 和 VSM 对磁性纳米粒子的结构进行了表征。研究了制备条件对 Fe3O4@C 磁性纳米粒子结构的影响。结果表明，从 XRD 来看，用碳源合成的磁性纳米粒子 Fe3O4@C 除具有 Fe3O4 的所有特征峰外，还具有无定形碳衍射峰。Fe3O4、Fe3O4@SiO2 和 Fe3O4@C 的饱和磁化率分别为 59.14 emu/g、49.12 emu/g 和 27.95 emu/g。

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Preparation and Characterization of C@Fe3O4 Supported Pd Magnetic Nanoparticles for Degradation of Dye Wastewater

The core-shell structure Fe3O4@C magnetic nanoparticles were synthesized with superparamagnetic Fe3O4 nanosphere as a magnetic core, and soluble starch resin as a carbon source via a solvothermal method. Silica-iron oxide and Fe3O4@C carriers with a core-shell structure were prepared by carbonization of organic material on the surface of Fe3O4 nanoparticles, Fe3O4@C supported Pd were processed into magnetic nano-catalysts with core-shell structure, and their catalytic properties were investigated. The resulting environmentally friendly magnetic material can be used to degrade dye wastewater. The structure of magnetic nanoparticles was characterized using TEM, XRD and VSM. The effects of preparation conditions in the structure of the Fe3O4@C magnetic nanoparticles were taken out. The results indicate that from XRD, the magnetic nano particles Fe3O4@C synthesized of carbon sources have amorphous carbon diffraction peak except for all the characteristic peaks of Fe3O4. The saturation magnetization Fe3O4, Fe3O4@SiO2 and Fe3O4@C – 59.14 emu/g, 49.12 emu/g and 27.95 emu/g, respectively.

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来源期刊

Materials Science 工程技术-材料科学：综合

CiteScore

1.60

自引率

44.40%

发文量

审稿时长

4-8 weeks

期刊介绍： Materials Science reports on current research into such problems as cracking, fatigue and fracture, especially in active environments as well as corrosion and anticorrosion protection of structural metallic and polymer materials, and the development of new materials.