Abstract
A green method for the synthesis of NiFe2O4/Fe2O3/ CeO2 nanocomposite was explored by using a walnut green hull extract. Walnut green hulls are rich cellulose compounds which make it a good candidate to synthesize nanoparticle due to acting as chelating agents. The as prepared samples were characterized by XRD, FE-SEM, EDX, VSM techniques. The nanoparticles show uniform dispersed and the thickness ranges from 60 to 140 nm. The effect of different extract concentrations on the morphology, crystal growth, particle size and magnetic properties of the samples was investigated. The method has the advantages of cost-effective, non-toxic, and use of walnut green hull extract as an environmentally friendly medium.
Keywords: Green synthesis, nanocomposite, NiFe2O4/Fe2O3/ CeO2, walnut green hull extract.
Graphical Abstract
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