Large-scale synthesis of high-quality single-walled carbon nanotubes by catalytic decomposition of ethylene

被引：59
作者：
Lyu, SC
Liu, BC
Lee, SH
Park, CY
Kang, HK
Yang, CW
Lee, CJ [1 ]
机构：
[1] Hanyang Univ, Dept Nanotechnol, Seoul 133791, South Korea
[2] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea
[3] Sungkyunkwan Univ, Dept Adv Mat Engn, Suwon 440746, South Korea
[4] Sungkyunkwan Univ, Ctr Nanotubes & Nanostruct Composites, Suwon 440746, South Korea
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2004年 / 108卷 / 05期
关键词：
D O I：
10.1021/jp030661t
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：
High-quality single-walled carbon nanotubes (SWNTs) have been synthesized over Fe-Mo/MgO catalyst by catalytic decomposition of ethylene at 800degreesC. The produced carbon material primarily consists of a SWNT bundle with few defects and a very small amount of amorphous carbon coating. The diameter of an individual SWNT is in the range of 0.7-2.8 nm. The as-synthesized SWNTs have a high yield of over 550% relative to the weight of Fe-Mo metal in the Fe-Mo/MgO catalyst. Our results show that ethylene can be a very ideal carbon source for the synthesis of SWNTs. We suggest that catalytic decomposition of ethylene over Fe-Mo/MgO catalyst can promise a large-scale production of high-quality SWNTs.
引用
收藏
页码：1613 / 1616
页数：4
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