Using a green synthesis method,Salvia officinalis extract was used as a reducing and capping agent to synthesize nickel oxide nanoparticles(NiO NPs).In addition,NiO NPs were synthesized using various precursors,and their morphologies were analyzed using scanning electron microscopy.The structures of NiO NPs were charac-terized using Fourier-transform infrared spectroscopy,and powder X-ray diffraction(PXRD).Their magnetic proper-ties were measured using a vibrating sample magnetometer.PXRD studies showed that all synthesized NiO NPs exhibited a face-centered cubic phase with high crystallinity,and NiO formations with a high-purity phase were confirmed.As a result of magnetization studies,NiO NPs synthesized from three nickel salt precursors(acetate,chloride,and sulfate)exhibit superparamagnetic,soft ferromagnetic,and paramagnetic behaviors,respectively.
关键词
绿色合成/NiO纳米粒子/鼠尾草/阴离子效应/磁性行为
Key words
green synthesis/NiO nanoparticles/Salvia officinalis/anion effect/magnetic behavior
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基金项目
Duzce University Scientific Research Fund(2022.05.03.1365)