Synthesis and characterization of Mn doped ZnS quantum dots from a single source precursor

机译：单一来源前驱体的Mn掺杂ZnS量子点的合成与表征

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Nanoparticles of ZnS and Mn-doped ZnS capped with TOPO (tri-n-octylphosphine oxide) and close to mono-dispersed have been prepared by a single source route using bis)diethyl-dithiocarbamato)zinc(II) as a precursor. The nanoparticles obtained show quantum size effects in their optical spectra and ZnS nanoparticles exhibit near band-edge luminescence. Clear difference in photoluminescence results between ZnS and ZnS:Mn samples. Changes in Mn-doping levels are shown by the changes in photoluminescence intensity. The most intense photoluminescence was observed for 1percent and the least intense for 5percent doping level. ESR spectra and ICP results confirm the presence of Mn in ZnS quantum dots and also correspond to the amount of Mn in each ZnS:Mn sample.

机译：ZnS和Mn掺杂的ZnS的纳米粒子被TOPO（三正辛基氧化膦）封端并接近单分散，已使用双（二乙基）-二乙基-二硫代氨基甲酸酯）锌（II）作为前驱体通过单一来源途径制备。所获得的纳米颗粒在其光谱中显示出量子尺寸效应，而ZnS纳米颗粒则显示出近带边发光。 ZnS和ZnS：Mn样品之间的光致发光结果存在明显差异。 Mn掺杂水平的变化由光致发光强度的变化表示。观察到最强的光致发光为1％，最低的为5％。 ESR光谱和ICP结果证实ZnS量子点中存在Mn，并且还对应于每个ZnS：Mn样品中的Mn量。

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《Symposium on Microcrystalline and Nanocrystalline Semiconductors-1998 held November 30-December 3, 1998, Boston, Massachusetts, U.S.A.》|1998年|p.353-358|共6页
会议地点 Boston MA(US)
作者
M. Azad Malik; Paul OBrien; N. Revaprasadu;
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中图分类无线电电子学、电信技术;
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Synthesis and characterization of Mn doped ZnS quantum dots from a single source precursor

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