Chemical treatment and modification of multi-walled carbon nanotubes

It is shown that raw multi-walled carbon nanotubes (MWCNTs) can be cut into several hundred nanometer lengths by sonication in mixed acids. The resulting shortened MWCNTs formed a stable dispersion state in the polar solvent without the help of surfactants. Toward chemical modification of MWCNTs, th...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2002-10, Vol.323 (1), p.280-283
Main Authors: Saito, T., Matsushige, K., Tanaka, K.
Format: Article
Language:English
Subjects:
Chemical modification
Chemical treatment
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Multi-walled carbon nanotubes
Nanoscale materials and structures: fabrication and characterization
Physics
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Summary:It is shown that raw multi-walled carbon nanotubes (MWCNTs) can be cut into several hundred nanometer lengths by sonication in mixed acids. The resulting shortened MWCNTs formed a stable dispersion state in the polar solvent without the help of surfactants. Toward chemical modification of MWCNTs, the condensation reaction of the shortened MWCNTs and various alkyldiamines was carried out and the products were investigated by the Fourier transform infrared (FT-IR) spectroscopy and the scanning electron microscope (SEM) measurements.
ISSN:0921-4526
1873-2135
DOI:10.1016/S0921-4526(02)00999-7