Synthesis and optical characterization of ZnO and ZnO: Mn nanoparticles

ZnO and ZnO: Mn nanoparticles synthesized via reve-rse micelle method. The size، structural and optical properties of nanoparticles was investigated by XRD، TEM and UV-Vis spectroscopy. The XRD results indica-ted that the synthesized nanoparticles had a pure wur-tzite (hexagonal phase) structure. The various optical properties of these nanocrystals such as extinction coefficient، optical band gap energy، Urbach energy، threshold wavelength، penetration depth، refractive in-dex، dielectric constants and optical conductivity have been analyzed by using UV-Vis data