钡铁氧体包覆多壁碳纳米管复合材料的合成与表征
Synthesis and Characterization of MWNTs Coated with BaFe12O19 Composites
摘 要
采用水热合成法一步原位合成了新型的M型钡铁氧体(BaFe12O19)包覆多壁碳纳米管(MWNTs)的纳米复合材料,使用傅里叶红外光谱对酸化碳纳米管的表面官能团进行了表征,使用X射线衍射仪与透射电子显微镜对复合材料的相组成和形貌结构进行了表征.结果表明:在140,160和180 ℃三个温度下均可水热合成制备出较好包覆效果的BaFe12O19/MWNTs复合材料;钡铁氧体的颗粒尺寸为10~30 nm;随着合成温度的升高,钡铁氧体的晶粒尺寸有所增大,结晶程度有所提高.
水热合成法
钡铁氧体
multi-walled carbon nanotubes
hydrothermal process
barium ferrite
Abstract
Novel nanostructural composites of multi-walled carbon nanotubes (MWNTs) coated with M-type barium ferrite had been one step in-situ synthesized by hydrothermal process.The functional groups of surface oxidized MWNTs were investigated by Fourier transform infrared spectroscopy (FTIR).The phase composition and morphology of the composites were characterized by XRD and TEM.It is found that the BaFe12O19/MWNTs composites with a finely good ferrite coat could be gained in all the three experimental temperatures(140,160 and 180 ℃).The particle size of barium ferrite was 10-30 nm.With increase of the synthesis temperature,the ferrite particle size increased and its crystallinity improved.
中图分类号 O614
所属栏目 纳米材料
基金项目 国家自然科学基金资助项目(50703023)
收稿日期 2008/11/18
修改稿日期 2009/7/8
网络出版日期
作者单位点击查看
备注李永军(1984-),男,陕西咸阳人,硕士研究生.
引用该论文: LI Yong-jun,LIU He-zhou,LI Hua,LI Bian,LU Yan-yan. Synthesis and Characterization of MWNTs Coated with BaFe12O19 Composites[J]. Materials for mechancial engineering, 2010, 34(1): 88～91
李永军,刘河洲,李华,李卞,路雁雁. 钡铁氧体包覆多壁碳纳米管复合材料的合成与表征[J]. 机械工程材料, 2010, 34(1): 88～91
被引情况:
【1】陈晓芸,李华,苏跃增,HUANG Zi-shan,刘河洲, "水热法合成CoFe2O4纳米颗粒及其磁性能",机械工程材料 35, 88-92(2011)
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【12】DROFENIK M,KRISTL M,ZNIDARSIC A,et al.Hydrothermal synthesis of Ba-hexaferrite nanoparticles[J].J Am Ceram Soc,2007,90(7):2057-2061.
【13】徐寿昌.有机化学[M].北京:高等教育出版社,1993:315-316.
【14】SUN Jing,GAO Lian.Attachment of inorganic nanoparticles onto carbon nanotubes[J].J Electroceram,2006,17(1):91-94.
【15】LIU Yang-qiao,GAO Lian.A study of the electrical properties of carbon nanotube-NiFe2O4 composites:effect of the surface treatment of the carbon nanotubes[J].Carbon,2005,43(1):47-52.
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