اثر دماي كلسيناسيون بر روي اندازه و مورفولوژي نانو ذرات اكسيد روي

The Effect of Calcinationsʹ Temperature on the size and Morphology of Zinc Oxide Nanoparticles

Zinc oxide (ZnO), as a wide band gap (3.2eV at room temperature) semiconductor with high exciton binding energy (60mev) has attracted many of researchers. ZnO nanoparticls are produced by variety of methods. In this research, ZnO nanoparticles were produced by precipitation method and the effect of calcinations temperature on the size and morphology of ZnO nanoparticle were studied. Results of different analyses on the ZnO nanoparticles such as ultraviolet absorption spectroscopy (UV-VIS.), X-ray diffraction (XRD), scanning electron microscopy (SEM) show that the increasing of calcinations temperature could increase the ZnO nanoparticles size.