Green Synthesis of MgO Nanoparticles via Two Different Methods and Studying their Structural, Morphological, and Optical Properties

Authors

Athraa Hadi Obead, Ibn Sina University of Medical and Pharmaceutical Sciences, Baghdad, Iraq AND Department of Physics, College of science for Women, University of Baghdad, Baghdad, Iraq
Nada K. Abbas, Department of Physics, College of science for Women, University of Baghdad, Baghdad, Iraq

Abstract

Magnesium oxide nanoparticles (MgO NPs) have been prepared by a green synthesis using the leaves of Ficus carica extract, which can be easily used for various biomedical applications. Magnesium oxide nanoparticles (MgO NPs) prepared by a green synthesis are non-toxic, biocompatible, and environmentally friendly. Fig extract functions as a reducing and stabilizing agent. The precursors used for preparation are from Magnesium Nitrate MgO(n) and bulk magnesium oxide MgO(b) by two different methods. The MgO(n) prepared from Magnesium Nitrate and MgO(b) prepared from bulk magnesium oxide nanoparticles were characterized using UV-visible spectroscopy (UV-Vis) to analyze the absorption patterns, The energy band gap (Eg) decreased from 7.8 eV to 4.7 eV for MgO(n) and from 7.8 eV to 5.3 eV for MgO(b). X-ray diffraction Spectroscopy (XRD) analyses show that the cubic phase structure is well-represented in both MgO NPs. showing that crystallite size was at 6.3 nm for MgO(n) and 7 nm for MgO(b). Field-Emission Scanning Electron Microscopy (FE-SEM) analysis for both MgO NPs showed a decrease in average particle size, with particles taking on a spherical form. The Energy Dispersive Spectroscopy (EDX) revealed patterns originating from Mg and O for both MgO NPs. Atomic force microscopy (AFM) Digitized pictures taken using this method have surface characteristics like root mean square roughness (Rq) and average roughness (Ra) quantified., it was found that the root mean square roughness (Rq) and the average roughness (Ra) for MgO(n) are much higher than MgO(b), which makes the MgO(n) prepared from magnesium nitrate more suitable for use in antibacterial applications.

Keywords

AFM, MgO Nanoparticles, Method of Precipitation, SEM, UV-VIS Spectroscopic

Subject Area

Physics

Article Type

Article

First Page

2638

Last Page

2646

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite this Article

Obead, Athraa Hadi and Abbas, Nada K. (2025) "Green Synthesis of MgO Nanoparticles via Two Different Methods and Studying their Structural, Morphological, and Optical Properties," Baghdad Science Journal: Vol. 22: Iss. 8, Article 16.
DOI: https://doi.org/10.21123/2411-7986.5027