vol. 18 / 

Issue 4


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Aseel Hadi
«Influence of CuO Nanoparticles on the Structure, Thermal, Physical, and Mechanical Properties of MgOľNiO Nanoparticles»
0929–0937 (2020)

PACS numbers: 61.05.cp, 62.23.St, 68.37.-d, 78.67.Rb, 81.07.Lk, 81.16.Pr, 81.70.Pg

In this paper, the structure, thermal, physical, and mechanical properties of magnesium oxide (MgO)ľnickel oxide (NiO)/copper oxide (CuO) nanostructure are studied for renewable energy applications. The MgOľNiO compound is synthesized with concentration of 80 wt.% MgO nanoparticles and 20 wt.% NiO nanoparticles; then, CuO nanoparticles are added to MgOľNiO with different weight percentage (1, 2 and 3). The samples are mixed, and then pressed at 225 MPa, and sintered at 1250°C for 1 hour. The effect of CuO promoter on the thermal, structure, physical, and mechanical properties of MgOľNiO nanoparticles is investigated by means of x-ray diffraction, optical microscope, DTA, apparent density, apparent porosity, water absorption, and HV microhardness. The experimental results of XRD show formation the MgNiO\(_2\) compound. It is found the increase in apparent density and HV microhardness, while the apparent porosity and water absorption decrease with raise in concentration of CuO nanoparticles. The results indicate that the MgOľNiO/CuO nanostructure may be used for different applications such as solar cell, integrated circuits, transistors and other modern applications.

Keywords: magnesium oxide, magnesiumľnickel oxide, copper oxide, apparent density, differential thermal analysis, apparent porosity
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