Parametric Study on Growth of Carbon Nanocoil by Catalytic Chemical Vapor Deposition
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概要
- 論文の詳細を見る
Carbon nanocoils (CNCs) were synthesized by the catalytic pyrolysis of acetylene over a mixture of Fe and SnO2 particles in a chemical vapor deposition (CVD) apparatus. The effects of reaction temperature, the composition of Fe and SnO2 in the catalyst, and the ratio of acetylene (C2H2) to helium (He) gas were examined. An optimum output was obtained when the Fe/SnO2 ratio was 2/1, the flow rates of C2H2 and He gases were 150 and 700 sccm, respectively, and the reaction temperature was 700°C. Under these conditions, the CNCs were of 80% purity, with average coil diameters of 750 nm, fiber diameters of 300 nm and pitches of approximately 750 nm. The CNC yield weighed up to 60 times that of the catalyst in 10 min.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-04-15
著者
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Takikawa Hirofumi
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Itoh Shigeo
Futaba Corporation
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Sakakibara Tateki
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Shiki Hajime
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi 441-8580, Japan
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Xu Guochun
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi 441-8580, Japan
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Chen Beibei
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi 441-8580, Japan
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Katsumata Takashi
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi 441-8580, Japan
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Ina Takashi
Fundamental Research Department, Toho Gas Co., Ltd., Aichi 476-8501, Japan
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Sakakibara Tateki
Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi 441-8580, Japan
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Itoh Shigeo
Futaba Corporation, Chiba 299-4395, Japan
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Takikawa Hirofumi
Department of Electric and Electronic Information Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8105, Japan
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