Journal
BMC CHEMISTRY
Volume 16, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13065-022-00898-8
Keywords
Nickel oxide; Nanoparticles; Polyol; Sol-gel process; Glycerol; Calcination
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In this study, nickel oxide nanoparticles were successfully synthesized using the aqueous sol-gel route with polyol system at ambient temperatures, and the surface morphology of the particles was significantly affected by the calcination temperature.
Background In this work, nickel oxide nanoparticles were prepared by polyol mediated aqueous route of sol-gel process using nickel nitrate hexahydrate as precursor, a mixture of isopropyl alcohol and water as solvent and glycerol for making polyol medium followed by calcination at various temperatures ranging from 500 to 900 degrees C. Characterization was carried out using X-ray diffractometry, infrared spectroscopy, differential scanning calorimetry-thermogravimetry and field emission scanning electron microscopy. Results The results confirmed the formation of face-cantered cubic structure of nickel oxide with its complete conversion after calcination at 900 degrees C; significant variation in the surface morphology was observed with the increasing calcination temperature. Conclusions The study revealed that the aqueous sol-gel route using polyol system followed by calcination at ambient temperatures lead to the successful synthesis of nickel oxide nanoparticles.
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