Facile synthesis of Ni/NiO nanocomposites via thermal decomposition
Subject Areas : Journal of Nanoanalysis
Aliakbar
Dehno Khalaji
1
(Department of Chemistry, Faculty of Science, Golestan University, Gorgan, Iran)
Gholamhossein
Grivani
2
(School of Chemistry, Damghan University, Damghan, Iran)
Shaghayegh
Izadi
3
(School of Chemistry, Damghan University, Damghan, Iran)
Mehdi
Ebadi
4
(Department of Chemistry, Islami Azad University, Gorgan Branch, Gorgan, Iran)
Keywords: TEM, XRD, Thermal decomposition, Ni/NiO nanocomposites,
Abstract :
In this study, Ni/NiO nanocomposites were prepared using simple, environment-friendly and low-cost solid-state thermal decomposition method from nickel (II) Schiff base complex at 400 and 500°C for 3 hours. The Ni/NiO nanocomposites were characterized with Fourier transformed infra-red spectroscopy (FT-IR), X-ray powder diffraction (XRD), transmission electron microscopy (TEM) and X-Ray fluorescence (XRF). Results of XRD and XRF confirmed that the nanocomposite products contain a mixture of nickel and nickel oxide. The Ni or NiO content varied with the temperature used for the synthesis. Upon increasing the temperature from 400 to 500°C, the amount of NiO was found to be increased due to a complete oxidation of Ni to NiO. The TEM images demonstrated that the composites were spherical with a distribution size of about 10-30 nm. In addition, the products displayed reasonable electrochemical performance.
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