Selective matching of catalyst element and carbon source in single-walled carbon nanotube synthesis on silicon substrates

被引：45
|
作者：
Mizuno, K [1 ]
Hata, K [1 ]
Saito, T [1 ]
Ohshima, S [1 ]
Yumura, M [1 ]
Iijima, S [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Res Ctr Adv Carbon Mat, Tsukuba, Ibaraki 3058565, Japan
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2005年 / 109卷 / 07期
关键词：
D O I：
10.1021/jp0454117
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：
We have studied the compatibility of various catalysts for ethylene and ethanol chemical vapor deposition (CVD) syntheses of single-walled carbon nanotubes (SWNTs) on Si substrates. A strong selectivity between the catalyst elemental species and carbon source was found; SWNT yield for Fe (Co) catalysts was much higher for ethylene (ethanol) CVD than for ethanol (ethylene) CVD. This strong and completely opposite selectivity implies significantly different SWNT growth mechanisms for ethanol and ethylene CVD on Si substrates.
引用
收藏
页码：2632 / 2637
页数：6
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