Ropes of BN multi-walled nanotubes

被引：113

作者：

Golberg, D ^{[1
]}

Bando, Y ^{[1
]}

Kurashima, K ^{[1
]}

Sato, T ^{[1
]}

机构：

[1] Natl Inst Res Inorgan Mat, Tsukuba, Ibaraki 3050044, Japan

来源：

SOLID STATE COMMUNICATIONS | 2000年 / 116卷 / 01期

关键词：

boron nitride nanotube; chemical synthesis; transmission electron microscopy; electron energy loss spectroscopy;

D O I：

10.1016/S0038-1098(00)00281-7

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Ropes consisting of tens of multi-walled boron nitride (BN) nanotubes and extending up to several mu m were synthesized through a chemical reaction involving chemical-vapor-deposited multi-walled carbon (C) nanotube oxidation by B2O3 mixed with either MoO3 or V2O5 in a flowing N-2 atmosphere. The ropes were analyzed by high-resolution transmission electron microscopy (HRTEM) and electron energy loss spectroscopy (EELS). Tubular shells of BN in the ropes were preferentially assembled in a zigzag form with the [<10(1)over bar 0>] direction parallel to the tube/rope axis. Oxidation-induced C nanotube opening at the tip and at wall defects, followed by substitution of C atoms with B and N atoms, and consecutive crystallization of BN shells on the seed nanotubes is thought to underlie the formation mechanism. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：1 / 6

页数：6

共 18 条

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