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Large- scale preparation of ZnS-ZnO-SnS nanocomposites: Investigation on structural and optical properties
Optik ( IF 3.1 ) Pub Date : 2020-07-03 , DOI: 10.1016/j.ijleo.2020.165187
S. Muruganandam , G. Murugadoss

ZnO/SnS, ZnS/SnS and ZnS/ZnO/SnS nanocomposites were synthesized by a simple chemical precipitation method, which is easy handling and large scale production. The crystal structure and morphology of the product were investigated by various characterization techniques such as powder X-ray diffraction, electron microscopy, UV–vis absorption, photoluminecence and thermal anaysis. The crystal strucure, dislocation density (x1015 of ZnO/SnS (6.76), ZnS/SnS (9.78) and ZnS/ZnO/SnS (9.44)) and size of the nanocomposites were calculated from XRD spectra. The optical properties were investigated by UV–vis absorption (UV/vis) and Photoluminescence (PL) spectroscopy. The PL emission covered in both UV and visible region. Thermal stability and deformation of sample was analyzed by TG-DTA in air atmosphere.



中文翻译:

ZnS-ZnO-SnS纳米复合材料的大规模制备:结构和光学性质的研究

ZnO / SnS,ZnS / SnS和ZnS / ZnO / SnS纳米复合材料是通过简单的化学沉淀法合成的,易于处理且可大规模生产。通过各种表征技术,例如粉末X射线衍射,电子显微镜,紫外可见吸收,光致发光和热分析,研究了产品的晶体结构和形态。由XRD谱图计算出纳米复合材料的晶体结构,位错密度(ZnO / SnS的x10 15(6.76),ZnS / SnS(9.78)和ZnS / ZnO / SnS(9.44))和尺寸。通过紫外可见吸收(UV / vis)和光致发光(PL)光谱研究了光学性质。PL发射同时覆盖紫外和可见光区域。TG-DTA在空气中分析样品的热稳定性和变形。

更新日期:2020-07-03
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