Self-catalytic growth of aluminum borate nanowires

被引：58

作者：

Liu, YM ^{[1
]}

Li, QQ ^{[1
]}

Fan, SS ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Phys, Tsinghua Foxconn Nanotechnol Res Ctr, Beijing 100084, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 375卷 / 5-6期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/S0009-2614(03)00930-8

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：

Aluminum borate (Al4B2O9) nanowires are synthesized by directly heating a mixture of Al and B2O3 powder at 850 degreesC. The nanowires synthesized are single-crystal with lengths about several micrometers and diameters ranging from 20 to 100 nm. The transmission electron microscopy (TEM) images show that Al particles are at the tips of some nanowires, which indicates a vapor liquid-solid (VLS) growth mechanism. Boron oxide dissociates metal Al powder to prevent it from aggregating and simultaneously reacts with aluminum to produce aluminum borate. A self-catalytic growth mechanism of the aluminum borate nanowires is proposed. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：632 / 635

页数：4

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