Synthesis And Processes On Microstructure Prpoperties Of Fe۳O۴/ ZnO:CuO Nanocomposite

Nanocomposites are multiphase or hybrid materials which when combined together, display markedly different properties from the bulk components. Nanocomposites differ from conventional composite materials due to the nanoscale dimensions of the filler phase and the exceptionally high surface to volume ratio of this phase. As a result they often possess unique mechanical, thermal, electrical, optical or catalytic properties which are controlled by factors such as local chemistry, mobility, morphology, or crystallinity. In addition, nanocomposites often offer a combination of several properties, making them even more attractive as multifunctional materials for the future, with potential applications in aerospace, healthcare, energy materials, sensors and other systems. In this study a narrow band gap semiconductors, Fe۳O۴ and CuO are prepared first and then a wide band gap semiconductor ZnO is used to modify it by using sol-gel method at a low temperature. Unique materials were obtained through the formation of appropriate nanocomposite materials with various molar ratios of CuO. The structure and composition of Fe۳O۴/ZnO/CuO were characterized by using powder X-ray diffraction (XRD), scanning electron microscopy (SEM), Dynamic Light Scattering (DLS) and dot Map analysis. The results obtained from the XRD diffraction patterns confirmed the formation of the mixed phases; hexagonal zinc oxide and cubic spinel magnetite, monoclinic copper oxide. SEM, DLS and dot Map were used to confirm uniform distribution of successful synthesis Fe۳O۴/ZnO/CuO nanocomposites in crystalline form.

کلیدواژه ها:

Nanocomposites ، Fe۳O۴/ZnO/CuO ، Microstructure ، Sol-gel