Synthesis of carbon nanotubes with Ni/CNTs catalyst

被引：5

作者：

Li, CH ^{[1
]}

Yao, KF ^{[1
]}

Ruan, DB ^{[1
]}

Liang, J ^{[1
]}

Xu, CL ^{[1
]}

Wu, DH ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China

来源：

SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES | 2003年 / 46卷 / 03期

关键词：

carbon nanotubes; catalytic support; synthesis;

D O I：

10.1360/03ye9033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Carbon nanotubes (CNTs), owing to their large specific area, good chemical stability and modifiable surface properties after acidic or basic treatment, can be used as catalytic support materials. In this paper, the activities and selectivities of two catalysts, i.e. Ni catalyst supported by carbon nanotubes (Ni/CNTs) and that supported by diatomite (Ni/SiO2), are compared. It is found that the quality of the carbon nanotubes synthesized by the two catalysts is similar, but the yield of the former is 1.5 times higher than that of the latter. The excellent performance of the Ni/CNTs catalyst should be ascribed to the larger specific surface area and proper pore distribution and the structure of the carbon nanotube support.

引用

页码：303 / 308

页数：6

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