Influence of pyrolysis temperature on the growth of Y-junction carbon nanotubes

被引：9

作者：

Ding, DY ^{[1
]}

Wang, JN ^{[1
]}

Yu, F ^{[1
]}

Su, LF ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200030, Peoples R China

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2005年 / 81卷 / 04期

关键词：

D O I：

10.1007/s00339-004-2863-z

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Y-junction carbon nanotubes, grown through thermal pyrolysis of acetylene over nanocrystalline Ni-P deposited SiC whiskers, were investigated by transmission electron microscopy. The pyrolysis temperature, which ranged from 800 degrees C to 1000 degrees C, was found to be crucial for the growth of different Y-junction carbon nanotubes. At pyrolysis temperatures below the partial melting point of the Ni-P alloy catalyst, only single-junction nanotubes could be synthesized. Whereas, due to partial melting of the alloy catalyst at higher pyrolysis temperatures, liquid-assisted growth of multiple Y-junction nanotubes could occur.

引用

页码：805 / 808

页数：4

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