Large-scale synthesis of Al4B2O9/Al18B4O33 whiskers via a novel method

被引：26

作者：

Wang, Jian ^{[1
]}

Ning, Guiling ^{[1
]}

Yang, Xuefeng ^{[1
]}

Gan, Zhihong ^{[1
]}

Liu, Hongyu ^{[1
]}

Lin, Yuan ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116012, Peoples R China

来源：

MATERIALS LETTERS | 2008年 / 62卷 / 8-9期

基金：

中国国家自然科学基金;

关键词：

ceramics; crystal growth; microstructure;

D O I：

10.1016/j.matlet.2007.08.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Al4B2O9/Al18B4O33 whiskers were synthesized by a facile route based on the calcination of amorphous aluminum borate, which are prepared by the homogeneous precipitation reaction between aluminum isopropoxide and H3BO3 isopropyl alcohol solution. The structure and morphology were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The results indicate that both whiskers with the identical morphology exhibit a well-crystallized structure with an average diameter distribution about 400 nm and lengths ranging from 3 to 5 mu m. The growing process of Al4B2O9/Al(18)B(4)o(33) whiskers has been studied by thermo-gravimetric and simultaneous differential thermal analysis (TG/DTA). (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：1208 / 1211

页数：4

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