A Study on the Properties of Sodium Dodecyl Sulfate Surfactant-Assisted Zinc Oxide Thin Films Doped with Molybdenum

Nano-Horizons: Journal of Nanosciences and Nanotechnologies Pub Date : 2023-09-04 DOI:10.25159/3005-2602/13831

A. Nkele, David C. Okeudo, B. Obitte, F. Ezema

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Abstract

In this article, we focused on studying the characteristics of sodium dodecyl sulfate-assisted zinc oxide materials synthesised using molybdenum as a dopant at varying concentrations of 0 M, 0.3 M and 0.5 M. The structural, morphological, elemental and optical characterisations of the synthesised films were studied using scanning electron microscopy, X-ray diffractometry, energy dispersive X-ray spectroscopy, and an ultraviolet-visible spectrophotometer. Nanorod morphology yielded a hexagonal wurtzite structure from the morphological and structural results. Plots from energy dispersive X-rays confirmed the presence of basic elemental constituents: zinc, oxygen and molybdenum. The optical results gave high absorbance and reduced reflectance trends for the doped samples towards lower wavelength regions. The undoped, 0.3 M and 0.5 M molybdenum-doped zinc oxide films recorded energy band gap values of 3.70 eV, 3.84 eV and 3.97 eV respectively. The prepared zinc oxide films would be useful in solar cell and optoelectronic devices.

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十二烷基硫酸钠表面活性剂辅助掺钼氧化锌薄膜的性能研究

本文主要研究了以钼为掺杂剂，在0 M、0.3 M和0.5 M的不同浓度下合成十二烷基硫酸钠辅助氧化锌材料的特性。利用扫描电子显微镜、x射线衍射仪、能量色散x射线能谱仪和紫外可见分光光度计研究了合成膜的结构、形态、元素和光学特性。从形貌和结构结果来看，纳米棒形貌为六角形纤锌矿结构。能量色散x射线图证实了基本元素成分的存在:锌、氧和钼。光学结果表明，掺杂样品在低波长区域具有高吸光度和低反射率的趋势。未掺杂、0.3 M和0.5 M掺钼氧化锌膜的能带隙值分别为3.70 eV、3.84 eV和3.97 eV。所制备的氧化锌薄膜可用于太阳能电池和光电子器件。

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Nano-Horizons: Journal of Nanosciences and Nanotechnologies

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