基于十二烷的均相体系中硫化锌的合成和合金化及其鉴定和光学特性

M. A. Zarudskikh, E. G. Ilina, A. S. Mankevich, V. P. Smagin
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摘要

采用新出现的试剂方法,在均相十二烷介质中合成了掺杂 Mn2+ 离子的硫化锌。通过化学和 X 射线相分析、红外光谱、电子显微镜等方法对产品进行了鉴定,并记录了粉末颗粒表面的照片(SEM)。根据所有结果得出结论,纳米级物体的形成具有多型结构,在 ZnS 粉末中主要是扭曲的立方晶体,形成的团块大小可达 10 微米,在 ZnS-Mn 粉末中可达 100 微米。光谱数据证实了纳米级 ZnS 颗粒的形成。锰离子对粉末光致发光(FL)的影响表现为 ZnS-Mn FL 波段下降分支类型的变化,这与低浓度 Mn2+ 离子在 ZnS 结构中形成的缺陷水平上的重组过程有关。
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Synthesis and alloying of zinc sulfide in a homogeneous system based on dodecane, its identification and optical properties
Zinc sulfide doped with Mn2+ ions was synthesized in a homogeneous dodecane medium by the method of emerging reagents. By methods of chemical and X-ray phase analysis, IR spectroscopy, electron microprobe microscopy, identification of products was carried out, photographs of the surface of powder particles (SEM) were recorded. Based on the totality of the results, a conclusion is made about the formation of nanoscale objects having a polytype structure with a predominance of distorted cubic crystals forming agglomerates up to 10 microns in size in ZnS powder and up to 100 microns in ZnS–Mn powder. The formation of nanoscale ZnS particles is confirmed by spectral data. The effect of manganese ions on the photoluminescence (FL) of the powder is manifested by a change in the type of the descending branch of the ZnS–Mn FL band, it is associated with recombination processes at the levels of defects formed by Mn2+ ions in the ZnS structure at their low concentration.
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