形貌可控钛酸锶钡的制备及其电场响应性能

高等学校化学学报 ›› 2009, Vol. 30 ›› Issue (6): 1066.

形貌可控钛酸锶钡的制备及其电场响应性能

吴晓妮¹, 高玲香¹, 刘毅², 高子伟¹, 裴挫萍¹, 高淑娟¹

1. 陕西师范大学化学与材料科学学院, 应用表面与胶体化学教育部重点实验室, 西安 710062;
2. 西安电力高等专科学校, 西安 710032

收稿日期:2009-01-05 出版日期:2009-06-10 发布日期:2009-06-10
通讯作者: 高玲香, 女, 博士, 副教授, 主要从事智能材料和金属有机配合物的研究. E-mail: gaolx@snnu.edu.cn
基金资助:
国家自然科学基金(批准号: 20941001, 20771071)和陕西省自然科学基金(批准号: 2007B06, 2006B23)资助.

Preparation and Electric Field Response Behavior of Barium Strontium Titanate with Different Controlled Shapes

WU Xiao-Ni¹, GAO Ling-Xiang¹*, LIU Yi², GAO Zi-Wei¹, PEI Cuo-Ping¹, GAO Shu-Juan¹

1. Key Lab of Applied Surface and Colloid Chemistry of MOE, School of Chemistry and Materials Science, Shaanxi Normal University, Xi′an 710062, China;
2. Xi′an Electric Power College, Xi′an 710032, China

Received:2009-01-05 Online:2009-06-10 Published:2009-06-10
Contact: GAO Ling-Xiang, E-mail: gaolx@snnu.edu.cn
Supported by:
国家自然科学基金(批准号: 20941001, 20771071)和陕西省自然科学基金(批准号: 2007B06, 2006B23)资助.

摘要/Abstract

摘要：

采用低温共沉淀法, 借助调控合成反应体系的pH值, 制备了星形、花形和柱形3种不同形貌的钛酸锶钡(Ba_0.85Sr_0.15TiO₃)粒子. 通过XRD, ICP, SEM及CA分别对粒子的内部结构和表面进行了表征. 结果表明, 3种钛酸锶钡粒子均具有钙钛矿立方相结构, 其粒径约为5~15 μm. 研究了3种形貌的钛酸锶钡粒子在含水复合弹性体介质中对电场作用的响应性能, 发现粒子形貌对其在电场中的响应能力有很大影响.

关键词: 钛酸锶钡, 形貌, 电场响应性能

Abstract:

Barium strontium titanate(Ba_0.85Sr_0.15TiO₃) with star, flower and drum-shapes were prepared under controllable different pH in the chemical co-precipitation systems at a low-temperature. The samples were characterized with XRD, SEM and CA. The results show that the length of Ba_0.85Sr_0.15TiO₃ particle is in the range of 5—15 μm, and its crystal phase is cubic-perovskite structure. Three kinds of Ba_0.85Sr_0.15TiO₃ particles′ electric field response performances were studied when they were in the gelatin aqueous elastomers under DC electric field or without field. It is found that the shape of barium strontium titanate plays an important role on its electric field response capability.

Key words: Barium strontium titanate, Shape, Electric field response performance

中图分类号:

O614.2

TrendMD:

吴晓妮, 高玲香, 刘毅, 高子伟, 裴挫萍, 高淑娟. 形貌可控钛酸锶钡的制备及其电场响应性能. 高等学校化学学报, 2009, 30(6): 1066.

WU Xiao-Ni, GAO Ling-Xiang*, LIU Yi, GAO Zi-Wei, PEI Cuo-Ping, GAO Shu-Juan. Preparation and Electric Field Response Behavior of Barium Strontium Titanate with Different Controlled Shapes. Chem. J. Chinese Universities, 2009, 30(6): 1066.

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