Vanadium Pentoxide Nanoparticles Doped ZnO: Physicochemical, Optical, Dielectric, and Photocatalytic Properties

IF 3 Q3 MATERIALS SCIENCE, BIOMATERIALS

International Journal of Biomaterials Pub Date : 2023-11-18 DOI:10.1155/2023/4602374

I. Massoudi, R. Hamdi, A. Rached, Zainah A. AlDhawi, Fatimah M. Alobaidan, Hawra M. Alhamdan, Ghadeer A. Almohammed Ali, Fatimah E. Almuslim, Amor Ben Ali

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Abstract

In this work, vanadium pentoxide nanoparticles (V2O5) derived by the chemical coprecipitation route were used to synthesize various vanadium-doped ZnO nanocomposite samples via the standard solid-state reaction process. The effect of V2O5 nanoparticles on the physicochemical properties of ZnO was discussed. The prepared samples were characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscopy combined with energy-dispersive spectroscopy, and UV-visible spectroscopy. A diffuse reflectance spectroscopic approach is described to determine the bandgap energy (Eg) of the samples. The dielectric and photocatalytic characteristics are also examined. The photocatalytic performance of the prepared materials was tested under visible light using methylene blue (MB) as a pollutant dye model. As a result, it is found that the addition of V2O5 enhances the photodegradation of MB. The kinetics of the photodegradation reaction was found to follow a pseudo-first-order model.

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五氧化二钒纳米颗粒掺杂氧化锌：物理化学、光学、介电和光催化特性

本研究利用化学共沉淀法制备的五氧化二钒纳米颗粒（V2O5），通过标准固态反应工艺合成了各种掺钒氧化锌纳米复合材料样品。讨论了 V2O5 纳米粒子对氧化锌理化性质的影响。制备的样品通过 X 射线衍射、傅立叶变换红外光谱、扫描电子显微镜结合能量色散光谱和紫外可见光谱进行了表征。其中描述了一种漫反射光谱方法，用于确定样品的带隙能 (Eg)。此外，还考察了介电和光催化特性。以亚甲基蓝（MB）为污染染料模型，测试了所制备材料在可见光下的光催化性能。结果发现，V2O5 的加入增强了 MB 的光降解能力。光降解反应动力学遵循伪一阶模型。

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