On the Use of Moringa Oleifera Leaves Extract for the Biosynthesis of NiO and ZnO Nanoparticles

被引：13
|
作者：
Ngom, I [1 ,2 ,3 ]
Ndiaye, N. M. [1 ]
Fall, A. [1 ,2 ,3 ]
Bakayoko, M. [1 ,2 ,3 ]
Ngom, B. D. [1 ,2 ]
Maaza, M. [2 ,3 ]
机构：
[1] Univ Cheikh Anta Diop Dakar UCAD, Fac Sci & Tech, Lab Photon Quant Energie & Nanofabricat, BP 5005 Dakar Fann, Dakar, Senegal
[2] Univ South Africa, Coll Grad Studies, UNESCO UNISA Africa Chair Nanosci & Nanotechnol, POB 392, Pretoria, South Africa
[3] Natl Res Fdn, iThemba LABS, Nanosci Africa Network NANOAFNET, 1 Old Faure Rd,POB 722, ZA-7129 Somerset West, Western Cape, South Africa
来源：
MRS ADVANCES | 2020年 / 5卷 / 21-22期
基金：
新加坡国家研究基金会;
关键词：
nanoscale; optical properties; structural; x-ray diffraction (XRD); ZINC-OXIDE NANOPARTICLES; GREEN SYNTHESIS; ANTIBACTERIAL ACTIVITY; LEAF EXTRACT; PERFORMANCE; PHYTOCHEMICALS; NANOSTRUCTURES; TEMPERATURE; OSBECK; PHASE;
D O I：
10.1557/adv.2020.212
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This contribution reports on the biosynthesis of nickel oxide and zinc oxide nanoparticles (NiO-NPs & ZnO-NPs) via a natural extract from Moringa Oleifera leaves as an effective chelating and/or oxidizing/reduction agent of nickel nitrate hexahydrate and zinc nitrate hexahydrate. The structural and optical properties of these two types of semiconductors obtained in a similar procedure are investigated using X-rays Diffraction (XRD), Attenuated Total Reflection-Fourier Transform Infrared (ATR-FTIR), diffuse reflectance UV-Visible-NIR and Photoluminescence (PL) techniques. The structural analysis shows the formation of pure cubic NiO-NPs and pure wurtzite ZnO-NPs with an average crystallite size of 17.80 nm and 10.81 nm respectively. Their band gaps, calculated from the diffuse reflectance analysis were found to be 4.28 eV and 3.35 eV respectively.
引用
收藏
页码：1145 / 1155
页数：11
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