PEG在溶胶-凝胶法制备PZT纳米粉末中的作用  

The Effect of PEG in the Preparation of PZT Nano-Powders by Sol-Gel Process

作　　者：牟国洪[1] 杨世源[1] 王威[2] 蔡灵仓[3] 贺红亮[3] 李菊芬[1] 

机构地区：[1]西南科技大学材料科学与工程学院,四川绵阳621010 [2]四川材料与工艺研究所,四川江油621700 [3]中国工程物理研究院流体物理研究所,四川绵阳621900

出　　处：《四川大学学报（自然科学版）》2005年第2期353-357,共5页Journal of Sichuan University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(10476023);四川省科技厅应用基础基金资助(03JY029 017 2)

摘　　要：采用硝酸氧锆、硝酸铅和钛酸丁酯为反应前驱物,水为主要溶剂,聚乙二醇和硝酸作为稳定剂和抑制剂,制备了稳定的PZT溶胶和单一钙钛矿相PZT95/5纳米粉末,并通过DTA/TGA、XRD、TEM等方法对纳米粉末的结构进行了表征,粉末平均粒径为65nm.结果表明:PEG的添加能有效地避免组分偏析,以无机盐为主要原料、水为溶剂制备PZT是可行的,且工艺简单、成本低.Stabilized PZT sol and single-phase perovskite PZT95/5 nano-powders were successfully prepared with ZrO (NO(3))(2)·2H(2)O, Pb (NO(3))(2) and Ti (OC(4)H(9))(4) as raw materials, deionized water as solvent, PEG as stabilizer and HNO(3) as inhibitor. The structure of the nanocrystalline powders was characterized by DTA/TGA, XRD, TEM. The average grain size is 65nm. It is confirmed that adding PEG can avoid component segregation effectively, and Sol-Gel process is a promising technique for preparing PZT piezoelectric ceramics with an easily controlled and lower-cost, using inorganic materials as raw materials and water as solvent.

关 键 词：聚乙二醇 溶胶-凝胶法 PZT纳米粉末 制备 

分 类 号：O611.4[理学—无机化学]