Carbon nanotube formation on Ni- or Pd-loaded diamond catalysts

被引：7

作者：

Higashi, N

Ikenaga, N

Miyake, T

Suzuki, T

机构：

[1] Kansai Univ, Dept Chem Engn, Suita, Osaka 5648680, Japan

[2] Kansai Univ, High Tecknol Res Ctr, Suita, Osaka 5648680, Japan

来源：

关键词：

nanotube; chemical vapor deposition; catalytic processes; nanotechnology;

D O I：

10.1016/j.diamond.2004.10.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new approach to synthesizing carbon nanotubes (CNTs) on the powdered diamond by catalytic chemical vapor deposition (CVD) was proposed. The catalyst was prepared by impregnating an aqueous solution of Ni(NO3)(2) or an acetone solution of Pd(CH3COO)(2) onto surface-oxidized fine powdered diamond (Ni/O-Dia, Pd/O-Dia). CNTs were obtained on the diamond by the decomposition of CH4 or C2H6 over Ni/O-Dia or Pd/O-Dia at 400-800 degrees C. CNTs on Ni/O-Dia from CH4 showed comparably straight structure to that from C2H6. CNTs on Pd/O-Dia from C2H6 at 800 degrees C exhibited uniform, thick (80-130 nm), and morphologically straight structure, which were consisted of a large numbers of thin filamentous carbons. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：820 / 824

页数：5