Long bundles of aligned carbon nanofibers obtained by vertical floating catalyst method

被引:18
作者
Cheng, JP
Zhang, XB [1 ]
Liu, F
Tu, JP
Lu, HM
Sun, YL
Chen, F
机构
[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
关键词
fullerenes; chemical vapor deposition; electron microscopy;
D O I
10.1016/j.matchemphys.2004.06.023
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Long bundles up to several millimeters of aligned carbon nanofibers (CNFs) have been prepared by pyrolysis of a mixture of acetylene and ferrocene in a vertically installed quartz reactor by floating catalyst method. After a long period of reaction, the product of thick blocks closely adhered on the reactor wall was obtained. Field emission scanning electron microscopy (FESEM) verified that blocks were composed of aligned CNF bundles with a high purity that was attested by the means of X-ray diffraction (XRD) and thermal gravimetric (TG) analysis. The morphology and structure features of the CNFs were checked by transmission electron microscopy (TEM) and Raman spectroscopy, respectively. It was originally reported that aligned CNF bundles were synthesized by vertically floating catalyst method. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:241 / 245
页数:5
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