Purification and alignment of arc-synthesis single-walled carbon nanotube bundles

被引：40

作者：

Huang, HJ ^{[1
]}

Kajiura, H ^{[1
]}

Yamada, A ^{[1
]}

Ata, M ^{[1
]}

机构：

[1] Sony Corp, Yokohama Res Ctr, Frontier Sci Labs, Yokohama, Kanagawa 2400036, Japan

来源：

CHEMICAL PHYSICS LETTERS | 2002年 / 356卷 / 5-6期

关键词：

D O I：

10.1016/S0009-2614(02)00415-3

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：

We report here a scalable method for purification and alignment of single-walled carbon nanotubes (SWNT) in an aqueous solution. Are-synthesis soot containing SWNTs is first treated with a concentrated nitric acid. After removal of most of the impurities and water, macroscopic and well-aligned SWNT bundles up to several centimeters long are formed in a rotary evaporator. Alignment of the SWNT bundles is ascribed to the liquid flow induced by rotary evaporation and van der Waals interactions among the bundles. The aligned SWNT bundles are further purified by ultrasonic Soxhlet extraction and annealing. (C) 2002 Published by Elsevier Science B.V.

引用

页码：567 / 572

页数：6

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