首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Photoluminescence and optical properties of nanostructure Ni doped ZnO thin films prepared by sol-gel spin coating technique
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Photoluminescence and optical properties of nanostructure Ni doped ZnO thin films prepared by sol-gel spin coating technique

机译:溶胶-凝胶旋涂技术制备的掺Ni纳米ZnO薄膜的光致发光和光学性质

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摘要

In this work, the spin coating sol-gel technique has been successfully used to deposit highly uniform and good adhesion of nano structure thin films of ZnO doped with different Ni concentrations. The morphological properties of ZnO:Ni films were studied by atomic force microscopy (AFM) technique. The surface morphology of the nanostructure films is found to depend on the concentration of Ni. The effects of Ni contents on the structural and photoluminescence (PL) properties of ZnO films were investigated. Optical constants (refractive index, n, and absorption index, k) of the undoped and Ni-doped ZnO of 0.2%, 0.4%, 0.6%, 0.8%, 1%, 3%, 5% and 7% concentrations have been obtained in the wavelength range 200-1000 nm by using spectrophotometric measurements. The dispersion parameters were determined and discussed based on the single oscillator model.
机译:在这项工作中,旋涂溶胶-凝胶技术已成功地用于沉积高度均匀和良好附着力的掺杂不同Ni浓度的ZnO纳米结构薄膜。利用原子力显微镜(AFM)技术研究了ZnO:Ni薄膜的形貌特性。发现纳米结构膜的表面形态取决于Ni的浓度。研究了Ni含量对ZnO薄膜的结构和光致发光(PL)性能的影响。已获得浓度为0.2%,0.4%,0.6%,0.8%,1%,3%,5%和7%的未掺杂和Ni掺杂的ZnO的光学常数(折射率n和吸收系数k)。通过使用分光光度法在200-1000 nm的波长范围内根据单振荡器模型确定并讨论了色散参数。

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