Abstract
Iron oxide nanoparticles (NPs) were prepared by green synthesis process, using Pheonix Dactylifera. L. leaves ethanolic extractas polyphynols source and FeCl3 aqueous solution as precursor, where the volume ration was 1:2. The concentration of FeCl3 was varied as follow: (0.01, 0.02, 0.03 and 0.04M). To charactrizethe obtained iron oxide NPs, XRD, SEM, UV-VIS and FTIR techniques were used. XRD analyses show the existence of three essentials compounds of iron oxide NPs: maghemite phase, hematite phase and beta phase. While the grain size of these compoundswas varied in the ranges of 22.91-37.40nm, 20.41-31.32nm and 17.96-25.25nm respectively. SEM images analysis showed that all samples have spherical shaped particles. UV-VIS analysis showed that the variation of FeCl3 concentration hasdirecteffect on theband gap of the product which rangeedin the range 2.162-2.358eV, whereas FTIR study confirms the abundance of Fe-O bonds in all samples.
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