Green route to prepare zinc oxide nanoparticles using Moringa oleifera leaf extracts and their structural, optical and impedance spectral properties

被引：4
作者：
Durai, S. C. Vella [1 ]
Kumar, E. [2 ]
Indira, R. [3 ]
机构：
[1] Sri Paramakalyani Coll, PG & Res Dept Phys, Alwarkurichi 627412, Tamilnadu, India
[2] Tamilnadu Open Univ, Sch Sci, Dept Phys, Chennai 600015, Tamilnadu, India
[3] Shrimathi Devkunvar Nanalal Bhatt Vaishnav Coll Wo, PG Dept Chem, Chennai 600044, Tamilnadu, India
来源：
SEMICONDUCTOR PHYSICS QUANTUM ELECTRONICS & OPTOELECTRONICS | 2024年 / 27卷 / 01期
关键词：
frequency; impedance spectroscopy; leaves extract; Moringa oleifera; bio-; synthesis; absorption spectra; ZNO NANOPARTICLES;
D O I：
10.15407/spqeo27.01.064
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This article investigates biosynthesis of zinc oxide (ZnO) nanoparticles (NPs) from Moringa oleifera leaves extract using an eco-friendly preparation method. The crystalline structure, optical properties, morphology and impedance characteristics of ZnO NPs were analyzed using impedance spectroscopy, powder X-ray diffraction (XRD), scanning electron microscopy, Fourier transform infrared spectroscopy (FTIR) and ultraviolet spectroscopy (UV-vis). The powder XRD pattern confirmed the crystallinity of the prepared samples as well as enabled determining their crystallite size and pure phase portion. The FTIR study confirmed the presence of functional groups responsible for reduction metal ions into ZnO NPs. UV-vis absorption spectra contained the absorption peak corresponding to ZnO NPs. Impedance spectroscopy of the prepared ZnO NPs revealed the grain boundaries in them and confirmed their semiconducting nature.
引用
收藏
页码：64 / 69
页数：6
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