Synthesis of NiO Nanoparticles by Microwave Assisted and Molten Salts Methods

Jānis Grabis; Gundega Heidemane; Aija Krūmiņa

doi:10.4028/www.scientific.net/KEM.721.71

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 721Synthesis of NiO Nanoparticles by Microwave...

Synthesis of NiO Nanoparticles by Microwave Assisted and Molten Salts Methods

Abstract:

Nickel oxide nanoparticles were prepared via molten salts and microwave assisted synthesis from nickel nitrate and the parameters of obtained nanopowders were compared. NiO nanoparticles with crystallite size in the range of 6-8 nm have been prepared by combining microwave assisted treatment of Ni (NO₃)₂ and urea solution with calcination at 300-320 °C. Molten salts (NaNO₂-NaCl) ensured direct formation of NiO from Ni (NO₃)₂.6H₂O and salts mixture at 350 °C but crystallite size of the particles reached 51-69 nm.

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Periodical:

Key Engineering Materials (Volume 721)

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71-75

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.721.71

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Online since:

December 2016

Authors:

Jānis Grabis*, Gundega Heidemane, Aija Krūmiņa

Keywords:

Microwave Assisted Synthesis, Molten Salt Synthesis, Nio Nanoparticles

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