najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМОnajo-1046Research ArticleCHEMISTRY AND MATERIAL SCIENCEХИМИЯ И МАТЕРИАЛОВЕДЕНИЕEffect of calcination temperature on the structural and optical properties of nickel oxide nanoparticlesSheenaP. A.

P. Vemballur – 680671, Kerala

PriyankaK. P.

Muvattupuzha - 686 661, Kerala

SabuN. A.

N. Aloysius Sabu

Muvattupuzha - 686 661, Kerala

SabuB.

Boby Sabu

Muvattupuzha - 686 661, Kerala

VargheseT

Thomas Varghese

Muvattupuzha - 686 661, Kerala

nanoncm@gmail.comM. E. S. Asmabi CollegeIndiaNanoscience Research Centre (NSRC), Department of Physics, Nirmala CollegeIndiaNanoscience Research Centre (NSRC), Department of PhysicsIndia20141508202553441449Copyright © Sheena P.A., Priyanka K.P., Sabu N.A., Sabu B., Varghese T., 20252025Sheena P.A., Priyanka K.P., Sabu N.A., Sabu B., Varghese T.Sheena P.A., Priyanka K.P., Sabu N.A., Sabu B., Varghese T.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/1046

Herein, we report the effect of calcination on the structural and optical properties of nanocrystalline NiO. NiO nanoparticles were synthesized by chemical precipitation method using nickel nitrate hexahydrate and ammonium carbonate. Thermogravimetric analysis was done to determine the thermal behavior of the precursor. The samples were characterized by X-ray diffraction (XRD), energy dispersive X-ray analysis (EDAX), high resolution transmission electron microscopy (HRTEM), Fourier transform infrared spectroscopy (FTIR), UV-visible and photoluminescence (PL) spectroscopy. Crystallite size and lattice strain on peak broadening of NiO nanoparticles have been studied using Williamson–Hall (WH) analysis. Significant modifications were observed in the crystallite size, absorption spectra and photoluminescence intensity due to calcination. The desired structural and optical properties of NiO nanoparticle make it as a promising material for optoelectronic applications.

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The authors declare that there are no conflicts of interest present.