The effect of hydrogen on the formation of nitrogen-doped carbon nanotubes via catalytic pyrolysis of acetonitrile

被引：20

作者：

Yan, H ^{[1
]}

Li, QW ^{[1
]}

Zhang, J ^{[1
]}

Liu, ZF ^{[1
]}

机构：

[1] Peking Univ, CNST, Coll Chem & Mol Engn, Beijing 100871, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 380卷 / 3-4期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/j.cplett.2003.09.031

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nitrogen-doped carbon nanotubes are synthesized by the pyrolysis of CH3CN with/without H-2 over MgO supported Fe catalysts at 850 degreesC in argon flow. In both cases nitrogen is introduced to dope the product with quite different amount. TG analysis, Raman spectroscopy, SEM and TEM results showed that the introduction of H-2 is favorable for the formation of multi-walled nanotubes (MWNTs) containing less nitrogen. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：347 / 351

页数：5

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