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Chemical synthesis of cobalt oxide (Co3O4) nanoparticles using Co-precipitation method

Author Affiliations

  • 1Department of Physics, Sant Gadge Baba Amravati University, Amravati-444 602, India
  • 2Department of Physics, Sant Gadge Baba Amravati University, Amravati-444 602, India
  • 3Department of Physics, Sant Gadge Baba Amravati University, Amravati-444 602, India

Res.J.chem.sci., Volume 7, Issue (1), Pages 53-55, January,18 (2017)

Abstract

In the present work, Cobalt oxide (Co3O4) nanoparticles were synthesized by co-precipitation method. The structural purity of as-prepared nanoparticles was confirmed by using X-Ray diffraction (XRD) analysis. The average particle size of amorphous structure of Co3O4 nanoparticles was found to be 25.62 nm and lattice parameter 7.97Ε. The optical band gap of Co3O4 nanoparticles was estimated by using ultraviolet-visible (UV-VIS) spectroscopy. The direct band gap value was found to be 4.07eV. Photoluminescence (PL) spectroscopy was investigated two broad emission peaks at wavelength 396nm, 467nm of Co3O4 nanoparticles.

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