Millimeter-Thick Single-Walled Carbon Nanotube Forests: Hidden Role of Catalyst Support
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概要
- 論文の詳細を見る
A parametric study of so-called "super growth" of single-walled carbon nanotubes (SWNTs) was done by using combinatorial libraries of iron/aluminum oxide catalysts. Millimeter-thick forests of nanotubes grew within 10 min, and those grown by using catalysts with a thin Fe layer (about 0.5 nm) were SWNTs. Although nanotube forests grew under a wide range of reaction conditions such as gas composition and temperature, the window for SWNT was narrow. Fe catalysts rapidly grew nanotubes only when supported on aluminum oxide. Aluminum oxide, which is a well-known catalyst in hydrocarbon reforming, plays an essential role in enhancing the nanotube growth rates.
- Japan Society of Applied Physicsの論文
- 2007-05-25
著者
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Noda Suguru
Department Of Chemical System Engineering School Of Engineering The University Of Tokyo
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Maruyama Shigeo
Department Of Internal Medicine Gotsu General Hospital
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Hasegawa Kei
Department Of Chemical System Engineering School Of Engineering The University Of Tokyo
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Kakehi Kazunori
Department Of Chemical System Engineering School Of Engineering The University Of Tokyo
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Sugime Hisashi
Department Of Chemical System Engineering School Of Engineering The University Of Tokyo
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Yamaguchi Yukio
Department Of Chemical System Engineering Graduate School Of Engineering The University Of Tokyo
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Zhang Zhengyi
Department of Mechanical Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Yamaguchi Yukio
Department of Chemical Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Sugime Hisashi
Department of Chemical System Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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