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Preparation and characterization of zinc sulfide thin film by electrostatic spray deposition of nano-colloid
Thin Solid Films ( IF 2.0 ) Pub Date : 2021-09-17 , DOI: 10.1016/j.tsf.2021.138929
M. Karimi 1 , S.M. Mirkazemi 1 , Y. Vahidshad 2 , J. Javadpour 1
Affiliation  

In this investigation, condensed and adhesive zinc sulfide (ZnS) layers were productively sprayed onto Fluorine doped Tin Oxide glass substrate at room temperatures using a facile, non-vacuum and economical electrostatic spray deposition (ESD) method. Used ZnS colloidal in the ESD process prepared by a one-pot thermolysis synthesis method. The effects of applied voltage, liquid flow rate, and distance of the nozzle to substrate on the morphology of ZnS thin films, were investigated. It revealed optimized conditions at the voltage of 24 kV, the flow rate of 1 μl/min, and nozzle to substrate distance of 8 cm. The ultraviolet-visible absorption spectroscopy revealed direct optical band gap of the deposited layer is around 3.44 eV. At a wavelength larger than 350 nm, the visible region (transparency area) of ZnS film was observed. Energy dispersion X-ray analysis and scanning electron microscope showed the ZnS film has a thickness of more than 300 nm with Zn1-xS (x ≈ 0.3–0.4) chemical composition.



中文翻译:

纳米胶体静电喷涂沉积硫化锌薄膜的制备及表征

在这项研究中,使用简便、非真空和经济的静电喷涂沉积 (ESD) 方法,在室温下将凝聚和粘合的硫化锌 (ZnS) 层高效地喷涂到掺氟氧化锡玻璃基板上。使用一锅热解合成法在ESD工艺中使用ZnS胶体。研究了施加电压、液体流速和喷嘴到基板的距离对 ZnS 薄膜形貌的影响。它揭示了在 24 kV 电压、1 μl/min 流速和 8 cm 喷嘴到基板距离下的优化条件。紫外-可见吸收光谱显示沉积层的直接光学带隙约为 3.44 eV。在大于 350 nm 的波长下,观察到 ZnS 膜的可见区(透明区)。1-x S ( x  ≈ 0.3–0.4) 化学成分。

更新日期:2021-09-24
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