以八水氧氯化锆和五水氯化锡为前驱体,通过环氧丙烷辅助制备出ZrO2-SnO2复合溶胶.研究了各添加剂和溶剂对体系的pH值以及凝胶时间的影响,并利用TG-DTA和XRD研究了热处理之后干凝胶的结构和组成.结果表明:当溶胶固含量为2wt％时,以RPO/Cl=1.5/1、水醇比VW/E=1/3、加入稀硝酸的量为1.5mL/100mL为配比制备的ZrO2-SnO2复合溶胶可以长时间保持稳定.所得溶胶粒子的平均粒径约为33.5nm.所得干凝胶在500℃～550℃处理后其组成为四方相ZrO2、四方相SnO2以及正交相ZrSnO4.
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