Multi-Walled Carbon Nanotube Growth in Multi-Walled Carbon Nanotubes by Chemical Vapor Deposition

被引：4

作者：

Hasegawa, Takayuki ^{[1
]}

Arenas, Daniel J. ^{[2
]}

Kohno, Hideo ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 5600043, Japan

[2] Univ N Florida, Dept Phys, Jacksonville, FL 32254 USA

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2015年 / 15卷 / 02期

基金：

日本科学技术振兴机构;

关键词：

Carbon Nanotube; Reverse-Inward Growth; CVD; TEM; FULLERENES; CATALYST;

D O I：

10.1166/jnn.2015.9030

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report chemical vapor deposition (CVD) growth of a multi-walled carbon nanotube (MWCNT) inside another MWCNTs from a cementite (Fe3C) catalyst nanoparticles. The CNTs have bi or tri-layered core(s)-sheath structure with various crystallinity. The sheath grows first at a lower temperature, and then the catalyst nanoparticle works again to grow the core(s) at a higher temperature in the tip or root growth mode. Transmission electron microscopy (TEM) observation provides a clear piece of evidence of reverse-inward growth.

引用

页码：1801 / 1804

页数：4

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