为了解决乙醇钽、醋酸锶、硝酸铋在乙二醇中的溶解问题,分别以醋酸、乙醇胺、吡啶、甘露醇作为络合剂,对比研究了4种络合剂对溶液稳定性和粉体物相的影响,利用X射线衍射、透射电镜和热重-差热仪分析了粉体的相组成、微观形态和热分解历程.结果表明,以乙醇胺作为络合剂,通过化学溶液分解(CSD)法可以获得稳定的SBT溶液;稳定的SBT溶液经干燥,300℃焙烧30 rmin和800℃煅烧l h,可获得粒径约为100 nm的钙钛矿相SBT粉体.
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