采用溶胶-沉淀工艺制备BaTiO3纳米粉体,探讨了沉淀剂NaOH溶液浓度对制备BaTiO3粉体相组成的影响,提出了溶胶-沉淀法合成纯相BaTiO3的反应机理,并对沉淀水洗后的湿凝胶进行表面改性.探讨了添加表面活性剂及有机溶剂脱水过程对粉体团聚程度的有效控制.
参考文献
[1] | Phule P P;Risbud S H .Sol-gel synthesis of barium titanate powders using barium acetate and titaniumⅣasopoxide[J].ADVANCED CERAMIC MATERIALS,1988,3(02):183. |
[2] | Salez H;Odier P;Cales B .Eloaoration of fine micropowders from organometallic polymers precursors[J].Journal of Non-Crystalline Solids,1986,82:314. |
[3] | Rizkalla A S;Jones D W;Hall G C .The influence of spray -and freeze-drying preparation methods on the chemical compositions of six fledspathic glass formulations[J].British Ceramic Transactions,1991,90(01):1. |
[4] | 荆煦瑛;陈式埭.红外光谱实用指南[M].天津:天津科学技术出版社,1989 |
[5] | 夏长泰;施尔畏;仲维卓 等.钡钛醋酸盐凝胶制备BaTiO3粉体[J].硅酸盐通报,1996,15(02):33. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%