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
收藏
页码：1801 / 1804
页数：4
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