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Synthesis of aligned carbon nanotubes in organic liquids

Published online by Cambridge University Press:  31 January 2011

Yafei Zhang ,
Mikka N.-Gamo ,
Kiyoharu Nakagawa  and
Toshihiro Ando
Yafei Zhang
Affiliation:
Core Research for Evolutional Science and Technology (CREST) of Japan Science and Technology Corporation (JST), c/o National Institute for Materials Science (NIMS), 1–1 Namiki, Tsukuba, Ibaraki 305–0044, Japan
Mikka N.-Gamo
Affiliation:
Core Research for Evolutional Science and Technology (CREST) of Japan Science and Technology Corporation (JST), c/o National Institute for Materials Science (NIMS), 1–1 Namiki, Tsukuba, Ibaraki 305–0044, Japan, and Institute of Applied Physics and Center for Tsukuba Advanced Research Alliance, University of Tsukuba, 1–1–1 Tennoda, Tsukuba, Ibaraki 305–8577, Japan
Kiyoharu Nakagawa
Affiliation:
National Institute for Materials Science (NIMS), 1–1 Namiki, Tsukuba, Ibaraki 305–0044, Japan
Toshihiro Ando
Affiliation:
Core Research for Evolutional Science and Technology (CREST) of Japan Science and Technology Corporation (JST), c/o National Institute for Materials Science (NIMS), 1–1 Namiki, Tsukuba, Ibaraki 305–0044, Japan
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Abstract

A simple and novel method was developed for efficient synthesis of aligned multiwalled carbon nanotubes (CNTs) in methanol and ethanol under normal pressure. The CNTs' alignment and structures were investigated using Raman scattering and x-ray diffraction spectroscopy. A unique kind of coupled CNT was synthesized in which one rotated to the left and one rotated to the right. Chains periodically bridged the coupled CNTs. The growth mechanism of the CNTs within organic liquid is proposed to be a catalytic process at the Fe film surface in a dynamic and thermal nonequilibrium condition in organic liquids.

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Type
Articles
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Journal of Materials Research , Volume 17 , Issue 9 , September 2002 , pp. 2457 - 2464
Copyright
Copyright © Materials Research Society 2002

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