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碳纳米管承载纳米Fe3O4颗粒的制备

ISSN号：1007-8827
期刊名称：《新型炭材料》
时间：0
分类：TB383[一般工业技术—材料科学与工程]
作者机构：[1]苏州大学化学化工学院,江苏省有机合成重点实验室,江苏苏州215123, [2]中国科学院,过程工程研究所,多相反应重点实验室,北京100080, [3]清华大学化工系,绿色反应工程与工艺北京市重点实验室,北京100084, [4]新布伦瑞克大学化工系,弗雷德里克顿,加拿大, [5]哈佛大学工程与应用科学学院,纳米尺寸研究中心,马萨诸塞州,美国, [6]开滦中润煤化工有限公司,京唐港,河北唐山063611
相关基金：Foundation item：National Natural Science Foundation of China （20876100; 20736004）; State Key Lab. of Multiphase Complex Systems of the Chinese Academy of Science （ No. 2006-5 ） ; State Key Laboratory Of Coral Conversion of CAS （2006-902） ; Post-doctoral Science Fundation of Jiangsu Prov. , National Post-doctoral Science Fundation （20090451176 ） ; Commission of Science and Tech- nology of Suzhou Municipality （ YJS0917, SG0978）.

作者：李建华[1,6], 洪若瑜[1,2], 罗国华[3], 郑莹, 李洪钟[2], 尉东光[5]

关键词： Fe3O4, 碳纳米管, 纳米材料, 磁性能, 饱和磁化强度, Fe304 nanoparticles , Carbon nanotubes , Nanomaterials , Magnetic property , Saturation magnetization.

中文摘要：

采用一种简单又经济的方法将Fe3O4纳米颗粒填充到碳纳米管中。透射电镜（TEM）、扫描电镜（SEM）及其能谱附件（EDX）和X射线多晶衍射（XRD）测试结果表明：Fe3O4纳米颗粒成功地填充到碳纳米管中。材料的磁性能测试结果表明：碳纳米管中填充Fe3O4纳米颗粒后,在常温下具有超顺磁性,其饱和磁化强度由0.35emu/g增大到了13.15emu/g。Fe3O4纳米颗粒填充的碳纳米管可望应用于工程和医学领域。

英文摘要：

Carbon nanotubes filled with magnetic materials are very interesting as new materials for applications in biomedicine. A simple and efficient method was developed to encapsulate Fe3 O4 nanoparticles in multiwalled carbon nano- tubes （MWCNTs）. Transmission and scanning electron microscopy, energy dispersive X-ray analysis, and X-ray pow- der diffraction measurements confirmed that the Fe3 O4 nanoparticles are encapsulated in the MWCNTs. The magnetic properties of the MWCNTs and the Fe3 04-filled MWCNTs were measured using a vibrating sample magnetometer. Re- sults showed that the Fe3 O4-filled MWCNTs exhibited superparamagnetism at room temperature and possessed a higher saturation magnetization （Ms）（around 13.15 emu/g） than that of the unfilled ones （around 0.35 emu/g）. The MWC- NTs encapsulating Fe3 04 nanoparticles have potential applications in engineering and medicine.

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