Add time:08/20/2019         Source:sciencedirect.com

The magnesium oxide (MgO), which is a thermodynamically stable material, has great property of sensing in liquid medium. To keep this point, the present work was designed to show the preparation of cubic shaped MgO nanoparticles (CNMgO) by wet chemical reaction and their sensing purposes in presence of hydrazine solution. The processed material was characterized with X-ray diffraction pattern (XRD) to evaluate their crystalline property, whereas the morphology of nanostructure was examined with transmission electron microscopy (TEM), reveals the size of obtained material is in the range of ∼100 nm with cubic form. The chemical functional changes were analyzed via the FTIR spectroscopy; authenticate the conversion of hydroxide in to metal oxide. The Thermo-gravimetric analysis (TGA) was obtained the phase transition of prepared and annealed MgO was obtained at 350–400 °C temperature. The oxidation and reduction potential of CNMgO in hydrazine solution was analyzed from lower to higher (from 0.1 to 1mL/100 mL PBS, 1 mL to 5 mL/100 mL PBS, 10 μL to 100 μL/100 mL PBS) concentration via cyclic voltammetry (CV). On the basis of the results and their observations, we have also described the possible pictorial mechanism of sensing of hydrazine in presence of prepared CNMgO.

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