تصنيع جسيمات النانوية بواسطة نبات السدر وقشور البيض

Abstract

Green manufacturing of nanoparticles is considered one of the most important sustainable trends in nanotechnology, as it is based on natural and environmentally friendly sources instead of chemicals. In this work, calcium oxide nanoparticles (CaO NPs) were manufactured from eggshells by thermal calcination at a temperature of 700 °C, which changes the main calcium carbonate (CaCO₃) in the shell to pure CaO. Zinc oxide nanoparticles (ZnO NPs) were also manufactured using the aqueous extract of the jujube plant (Ziziphus lotus) as a reducing agent and green stabilizing agent. All prepared nanoparticles were characterized using spectroscopic techniques: UV-Vis spectroscopy, FTIR spectroscopy, and X-ray diffraction (XRD). The zinc oxide nanoparticles showed a size of 19 nm and 20 nm for calcium oxide. This work highlights the importance of recycling waste and using plants in the production of effective and sustainable nanomaterials, which is consistent with the Sustainable Development Goals