用雾化器喷雾热解法研究掺钕ZnS玻璃板的结构、形态、光学和PL

A.Jesu Jebadev, M. Karunakaran, Deva Arun Kumar Karuppiah, S. Valanarasu
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引用次数: 3

摘要

本文采用简单喷雾热解法(NSP)在450℃下在玻璃基板上制备了Nd掺杂ZnS薄膜,并用XRD、SEM和UV-Vis光谱仪对制备的样品进行了结构、形貌和光学行为分析。通过x射线分析证实了该多晶无二次相的六边形结构的性质。在高放大的扫描电镜图像中观察到Nd掺杂薄膜表面产生了额外的粒子。室温PL研究表明,在Nd元素与ZnS晶格的间隙中,母样品的亮度行为发生了巨大的变化。掺钕3%的ZnS薄膜的光学带隙值在3.51 ~ 3.58 eV之间变化,这是由于薄膜厚度的增加和薄膜透明度的降低。关键词:稀土,薄膜,喷雾热解,光致发光,带隙
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Structural, Morphological, Optical and PL Studies of Neodymium Doped ZnS Glass Plate by Nebulizer Spray Pyrolysis Method
Herein we have present the preparation of Nd doped ZnS thin films on glass substrate by simple nebulizer spray pyrolysis (NSP) method at 450 0 C. XRD, SEM, and UV-Vis Spectrometer were used to analyze the Structural, morphological, and optical behavior of the prepared samples. Nature of polycrystalline hexagonal structure with no secondary phases was confirmed by X-ray analysis. Extra particle creation on the surface of the Nd doped thin film was observed in high magnified SEM images. Room temperature PL studies depicts that the luminance behavior of the parent sample was enormously changed during the Nd element interstitial with ZnS lattice. Optical band gap value varies from 3.51 eV to 3.58 eV for 3% Nd doped ZnS film ascribed the increasing of film thickness and diminishing of film transparencies. Keywords— Rare earth, Thin film, Nebulizer spray pyrolysis, Photoluminescence, Band gap.
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