Boron-doped carbon nanotubes prepared through a substitution reaction

被引：193

作者：

Han, WQ ^{[1
]}

Bando, Y ^{[1
]}

Kurashima, K ^{[1
]}

Sato, T ^{[1
]}

机构：

[1] Natl Inst Res Inorgan Mat, Ibaraki, Osaka 305, Japan

来源：

CHEMICAL PHYSICS LETTERS | 1999年 / 299卷 / 05期

关键词：

D O I：

10.1016/S0009-2614(98)01307-4

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：

Boron-doped carbon nanotubes (CNTs) have been prepared through a partial substitution reaction, where some carbon atoms of CNTs are substituted by boron atoms. Boron oxide vapor reacts with CNTs to form BxC (x less than or equal to 0.10) nanotubes at 1373 K in 4 h under an argon atmosphere. The BxC nanotubes have diameters and lengths similar to those of the starting CNTs. Boron is seen to enhance the graphitization of CNTs. B4C and B13C2 crystalline nanorods are also formed, with typical diameters between 6 and 30 nm. It is suggested the synthetic method described here might be used to produce a large class of new doping CNTs. (C) 1999 Elsevier Science B.V. All rights reserved.

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页码：368 / 373

页数：6

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