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ZnO量子点的制备及其发光特性研究

张立平,吴山, 梁广华,吴艳敏,张楠,万永刚,薛俭雷,田春华

Journal of Qiqihar University(Natural Science Edition)（2015）

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Abstract
利用溶胶-凝胶法在乙醇溶液中制备出ZnO量子点.通过紫外-可见吸收光谱(UV-Vis)和荧光光谱对合成量子点的发光性质进行了研究.结果表明,ZnO量子点的荧光光谱由两部分组成:一是较弱较窄的紫外荧光峰(346nm),另一是较强较宽的可见荧光发射峰(510nm)(λex=329 nm);在反应温度为40℃,ZnAC2·2H2O与LiOH·H2O的物质摩尔比为1∶2时能产生明亮的黄绿色荧光.
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