Thermal decomposition of ferrocene as a method for production of single-walled carbon nanotubes without additional carbon sources

被引：91

作者：

Barreiro, Amelia

Hampel, Silke

Rummeli, Mark H.

Kramberger, Christian

Gruneis, Alexander

Biedermann, Kati

Leonhardt, Albrecht

Gemming, Thomas

Buchner, Bernd

Bachtold, Adrian

Pichler, Thomas

机构：

[1] IFW Dresden, D-01171 Dresden, Germany

[2] Inst Catala Nanotecnol, E-08193 Barcelona, Spain

[3] Ctr Nacl Microelect, E-08193 Barcelona, Spain

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 42期

关键词：

D O I：

10.1021/jp0636571

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：

A new method to grow bulk quantities of single-walled carbon nanotubes (SWCNTs) by a catalytic chemical vapor deposition (CVD) process with the possibility of varying the pressure has been developed and is reported in this paper. Thermal decomposition of ferrocene provides both catalytic particles and carbon sources for SWCNT growth using Ar as a carrier gas. Upon an increase in the pressure, the mean diameter of the SWCNTs decreases. In fact, high abundances of SWCNT with diameters as small as 0.7 nm, which is the limit for stable caps with isolated pentagons, can be obtained. An additional advantage of this method is that as no external carbon sources are required, SWCNT synthesis can be achieved at temperatures as low as 650 degrees C.

引用

收藏

页码：20973 / 20977

页数：5

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