B-C-N nanotubes and boron doping of carbon nanotubes

被引：279

作者：

Redlich, P

Loeffler, J

Ajayan, PM

Bill, J

Aldinger, F

Ruhle, M

机构：

[1] Max-Planck-Inst. fur Metallforschung, Inst. fur Werkstoffwissenschaft

来源：

CHEMICAL PHYSICS LETTERS | 1996年 / 260卷 / 3-4期

关键词：

D O I：

10.1016/0009-2614(96)00817-2

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：

The synthesis of B-C-N nanotubes and boron doped (1 to 5 at.% B) carbon nanotubes is achieved by an electric are-discharge between an anode made of homogeneous BC4N and a cathode made of graphite. The BC4N anode is prepared by pyrolysis of polymer precursors. The effect of boron doping is seen to increase the tube lengths up to 100 mu m and to improve graphitization. Boron and nitrogen are enriched at the surfaces of tubes with overall B-C-N composition. The observed structure of B-C-N tubes consists of concentric cylinders of BC2N and pure carbon.

引用

页码：465 / 470

页数：6

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