采用直接沉淀法制备PbWO4有序纳米结构,以草酸根双羧基阴离子为其生长阶段结构导向剂.使用X射线粉末衍射(XRD)、扫描电子显微镜(SEM)、红外光谱(IR)和透射电子显微镜(TEM)等手段对其表征,研究了草酸根离子在PbWO4纳米晶生长阶段的控制作用,并提出了PbWO4有序纳米结构的形成机理.
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