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用沉淀法和燃烧法合成纳米氧化锌(英文)

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Abstract:

以硝酸锌为原料,分别采用沉淀法和燃烧法合成纳米氧化锌(n-ZnO)颗粒。采用X射线衍射仪、透射电子显微镜和紫外分光光度计对n-ZnO样品进行表征,并研究合成机理和样品紫外屏蔽性能。结果表明用沉淀法获得的n-ZnO粒径较小,为20~40nm,颗粒分散均匀;用燃烧法制备的n-ZnO粒径为40~80nm。两种方法所制备的n-ZnO均属六方晶型,具有较强的紫外吸收能力,并且吸收出现蓝移,表现为量子尺寸效应。

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