以ZrOCl2·8H2O和NH4HCO3为原料, 在适量表面活性剂(PEG-400)存在下, 先在室温下充分混合研磨进行固相反应, 得到的反应混合物再用水洗去其中的可溶性无机盐并烘干, 即得氧化锆前驱体. 前驱体经530 ℃下热解3 h即得氧化锆产品, 采用TG/DTA, XRD和TEM对前驱体及产品进行了表征. 结果表明, 所得产品氧化锆为结晶良好、以四方相为主的混合晶相, 其平均粒径约为25 nm.
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