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A viable composite-hydroxide-mediated (CHM) method was used to prepare nickel oxide (NiO) nanostructures. Composites of iron(III)-nickel oxide (Fe3+-NiO) nanostructures were obtained using 5%-15% Fe3+ during the synthesis process. NiO and Fe3+-doped NiO composite formations were monitored via X-ray diffraction, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy, energy dispersive Xray spectroscopy (EDS), and ultraviolet-visible (UV-Vis) spectroscopy. For the proposed range, pure NiO was obtained with octahedral peculiarities. With increased Fe3+ content, the octahedron feature was transformed into new morphologies; the morphological change was significant, given the short reaction time. EDS confirmed the presence of Ni and O elements, and FTIR resolved a strong signature associated with Ni-O bonding. The bandgap of NiO, estimated from UV-Vis measurements, was in the range 1.73-5.68 eV, depending on the Fe3+ doping concentration. For the proposed processing temperature and reaction time, the CHM method shows great potential as an easy nanomaterial preparation procedure for research purposes.
Journal of Nanoscience and Nanomedicine received 51 citations as per Google Scholar report