Highly selective growth of vertically aligned double-walled carbon nanotubes by a controlled heating method and their electric double-layer capacitor properties

被引:11
|
作者
Iwasaki, Takayuki [1 ]
Maki, Tasuku [1 ]
Yokoyama, Daisuke [1 ]
Kumagai, Hironori [2 ]
Hashimoto, Yasuhiro [2 ]
Asari, Takuma [2 ]
Kawarada, Hiroshi [1 ]
机构
[1] Waseda Univ, Shinjuku Ku, Tokyo, Japan
[2] Matsushita Elect Ind Co Ltd, Osaka, Japan
来源
关键词
D O I
10.1002/pssr.200701297
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Vertically aligned double-walled carbon nanotubes (DWCNTs) with the highest selectivity of 90% were synthesized by a controlled heating method and their electric double-layer capacitor characteristics were evaluated. DWCNT arrays had a specific capacitance of 83 F/g, which is one of the highest values among CNT arrays in a nonaqueous solution and is almost equivalent to that for single-walled CNT (SWCNT) arrays reported previously. At the same specific capacitance, DWCNTs with superior structural properties are more promising for practical capacitors than SWCNTs. (c) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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页码:53 / 55
页数:3
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