Synthesis of barium strontium titanate nanopowders by microwave hydrothermal method

被引：10
|
作者：
Chen, J. [1 ]
Che, M. C. [1 ]
Yan, F. [1 ]
机构：
[1] Xian Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710054, Peoples R China
来源：
ADVANCES IN APPLIED CERAMICS | 2015年 / 114卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Barium strontium titanate; Nanopowders; Microwave hydrothermal method; BATIO3; NANOPARTICLES; POWDERS; PHASE;
D O I：
10.1179/1743676115Y.0000000011
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Barium strontium titanate (BST) powders of high purity, good crystallinity and well dispersed with a diameter of 50-90 nm are prepared by microwave hydrothermal method using tetrabutyl titanate, barium nitrate and strontium nitrate as the main raw materials. The phase composition, element composition and microstructure of the powders are characterised by X-ray diffraction, Fourier transform infrared spectroscopy, energy dispersive spectroscopy and transmission electron microscopy. The results show that Ba0.6Sr0.4TiO3 powders could be synthesised under the conditions that the reaction temperature is 70 degrees C, the reaction time is 10 min, and the value of pH is 14, which indicates that the reaction temperature, time and the value of pH have a great effect on the crystallinity of nanopowders, and the dispersant (OP-10) plays a role in the dispersion of the nanopowders.
引用
收藏
页码：344 / 349
页数：6
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