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- 탄소나노튜브의 중저온에서의 화학적 합성
- 안중호, 이상현, 김용진, 정형식
- Synthesis of Carbon Nanotubes by Chemical Method at Warm Temperatures
- Jung-Ho Ahn, Sang-Hyun Lee, Yong-Jin Kim, Byung-Sik Chung
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Journal of Korean Powder Metallurgy Institute 2006;13(5):305-312
DOI: https://doi.org/10.4150/KPMI.2006.13.5.305
1안동대학교 신소재공학부
2안동대학교 신소재공학부
3한국기계연구원 분말재료연구센터
4아주대학교 재료공학과
1Andong National University, Dept. of Materials Engineering
2Andong National University, Dept. of Materials Engineering
3Korea institute of Machinery and Materials, Center for Nanopowder Research
4Ajou University, Dept. of Materials Engineering
2안동대학교 신소재공학부
3한국기계연구원 분말재료연구센터
4아주대학교 재료공학과
1Andong National University, Dept. of Materials Engineering
2Andong National University, Dept. of Materials Engineering
3Korea institute of Machinery and Materials, Center for Nanopowder Research
4Ajou University, Dept. of Materials Engineering
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Abstract
Amorphous carbon nanotubes were synthesized by a reaction of benzene, ferrocene and Na mixture in a small autoclave at temperatures as low as 400°C. The resulting carbon nanotubes were short and straight, but their inner hole was filled with residual products. The addition of quartz to the reacting mixture considerably promoted the formation of carbon nanotubes. A careful examination of powder structure suggested that the nanotubes in this process were mainly formed by surface diffusion of carbon atoms at the surface of solid catalytic particles, not by VLS(vapor-liquid-solid) mechanism.
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