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草酸根离子诱导pbwo4有序纳米结构的合成和生长机理

Keywords: 无机非金属材料,?钨酸铅,草酸根,控制合成,有序纳米结构

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Abstract:

?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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