利用辣木叶提取物绿色合成纯和掺银氧化铜纳米颗粒

IF 2.2 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Letters: X Pub Date : 2022-03-01 DOI:10.1016/j.mlblux.2022.100122
D. Reshmi Agnes Preethi, A. Philominal
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引用次数: 8

摘要

随着纳米技术的迅猛发展,氧化铜纳米粒子在电学、光学和生物医学等领域有着巨大的应用前景。为了保护环境和减轻化学品的毒性,本研究以辣木叶提取物为原料合成了不同浓度的纯氧化铜纳米颗粒和掺杂银的氧化铜纳米颗粒,并在抗菌方面取得了良好的效果。利用X射线衍射(XRD)、扫描电子显微镜(SEM)和能量色散X射线分析(EDAX)、傅里叶变换红外光谱(FTIR)和紫外-可见光谱(UV)对合成的绿色纳米颗粒进行了表征。通过XRD分析,发现纯氧化铜和掺银氧化铜纳米粒子的平均晶粒尺寸在纳米级范围内,属于单斜晶结构。通过扫描电镜和电子能谱仪对纳米颗粒的表面形貌和元素组成进行了表征。用FTIR光谱观察官能团。从光学吸收光谱来看,纯氧化铜的带隙为1.2 eV,而增加掺杂浓度对光学性能有增强作用。
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Green Synthesis of Pure and Silver Doped Copper Oxide Nanoparticles using Moringa Oleifera Leaf Extract

With the intense development of nanotechnology, copper oxide nanoparticles have terrible immense applications in electrical, optical and Bio-medical applications. To safeguard the environment and to mortify the toxicity in chemicals, the present work was carried out for synthesizing Pure and Silver (Ag) doped Copper Oxide (CuO) nanoparticles of different concentrations using Moringa Oleifera leaf extract and it shows a good result towards antimicrobial agents. These green synthesized nanoparticles were subjected to characterization techniques, X- ray Diffraction (XRD), Scanning Electron Microscopy (SEM) with Energy Dispersive X- ray Analysis (EDAX), Fourier Transform Infrared spectroscopy (FTIR) and Ultraviolet–Visible spectroscopy (UV). From XRD, the average crystallite size for pure and silver doped copper oxide nanoparticles was found to be in the nanometer range and it belongs to a monoclinic structure. The surface morphology and the elemental compositions of nanoparticles were confirmed by SEM with EDAX. Functional groups were observed by FTIR spectra. From the optical absorption spectrum, the bandgap for pure copper oxide was found to be 1.2 eV, while increasing the dopant concentrations shows enhancing results towards optical properties.

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来源期刊
CiteScore
3.10
自引率
0.00%
发文量
50
审稿时长
114 days
期刊最新文献
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