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Synthesis and characterization of PbS nanoparticles in an ionic liquid using single and dual source precursors

机译:使用单源和双源前体在离子液体中合成和表征PbS纳米颗粒

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We report a green route for the synthesis of PbS nanoparticles in an imidazolium based ionic liquid (IL) (1-ethyl-3-methylimidazolium methanesulfonate) using single source and dual source precursor methods. Lead ethyl xanthogenate complex was used as single source molecular precursor for the synthesis of PbS nanoparticles, whereas in dual source approach organic sulfur (1-dodecanethiol) and inorganic sulfur (sodium sulfide) sources were used to observe the suitability of different sulfur sources on formation of PbS nanoparticles. The results showed that the temperature has an effect on the as prepared nanoparticles for both routes. X-ray diffraction (XRD) studies confirmed formation of cubic phase of PbS from both routes. Electron microscopy techniques showed that the nanoparticle morphologies differed significantly depending on the synthetic factors such as temperature, nature of precursors and ranged from spherical to cubic shapes.
机译:我们报告了使用单源和双源前体方法在基于咪唑鎓的离子液体(IL)(1-乙基-3-甲基咪唑鎓甲磺酸盐)中合成PbS纳米粒子的绿色途径。黄原酸铅络合物用作合成PbS纳米粒子的单源分子前体,而在双源方法中,有机硫(1-十二烷硫醇)和无机硫(硫化钠)源用于观察不同硫源在地层中的适用性。的PbS纳米颗粒。结果表明,温度对两种途径制备的纳米颗粒都有影响。 X射线衍射(XRD)研究证实了从这两种途径形成的PbS立方相。电子显微镜技术表明,纳米颗粒的形貌显着不同,取决于合成因素,例如温度,前体的性质,范围从球形到立方体。

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