SiOx-coating of carbon nanotubes at room temperature

被引:101
作者
Seeger, T
Redlich, P
Grobert, N
Terrones, M
Walton, DRM
Kroto, HW
Rühle, M
机构
[1] Max Planck Inst Met Res, D-70174 Stuttgart, Germany
[2] Univ Sussex, CPES, Fullerene Sci Ctr, Brighton BN1 9JQ, E Sussex, England
[3] Univ Nacl Autonoma Mexico, Lab Juriquilla, Inst Fis, Queretaro 76000, Qro, Mexico
关键词
D O I
10.1016/S0009-2614(01)00256-1
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A room temperature colloidal method for coating carbon nanotubes with silicon oxide is described. For the first time, the morphology, chemical composition and SiOx/C interfaces of the coatings were investigated using state-of-the-art transmission electron microscopy and highly spatially resolved electron energy-loss spectroscopy. The amorphous SiOx coatings are < 10 nm thick. Electron energy-loss fine structure analyses indicate that the SiOx is partly substoichiometric. In addition, coatings were also created by a high-temperature route. However, they tend to be more unstable and defoliate when compared to coatings deposited at room temperature. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:41 / 46
页数:6
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