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Structural and optical properties of ZnO nanoparticle thin films deposited by sol gel method

NasserK.Hejazy

Nanocrystalline ZnO thin films are deposited on glass substrates by by sol gel process. The crystalline structure, morphology and size were determined by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The X-ray diffraction results indicated that ZnO nanoparticles have a hexagonal wurtzite structure and average particle size is about 4 nm. Photoluminescence spectra showed two peaks which were in the UV emission centered at 375 nm, and visible emission centered at 475 nm.