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D. C. Agarwal, R. S. Chanhan, Amit Kumar, D. Kabiraj, F. Singh, et al., “Synthesis and Charectarization of ZnO Thin Film Grown by Electron Beam Evoporation,” Journal of Applied Physics, Vol. 99, No. 12, 2007, pp. 11-14.

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• TITLE: The Effect of ZnO Thin Film and Its Structural and Optical Properties Prepared by Sol-Gel Spin Coating Method

  AUTHORS: Nagarani Nagayasamy, Saroja Gandhimathination, Vasu Veerasamy

  KEYWORDS: ZnO Thin Films; Sol-Gel; XRD; SEM; Optical Properties

  JOURNAL NAME: Open Journal of Metal, Vol.3 No.2B, August 22, 2013

  ABSTRACT: ZnO thin films were deposited on glass substrates at different Zinc concentration and their effects on structural, Morphology and optical properties were investigated. Zinc acetate dehydrate, 2 Methoxy ethanol and Monoethanolamine were used as the precursor, solvent and stabilizer respectively. The molar ratio of Monoethanolamine to Zinc acetate was maintained as 1. The crystal structure and orientation of the films were analyzed by XRD. The XRD patterns show that the ZnO films are polycrystalline with wurtzite hexagonal structure. The film with 0.5 m/l concentration has the better crystallinity. The thickness of the films was determined by thickness Profilometer. The surface morphology of the films was observed by Scanning electron microscope. The SEM images show that they are homogeneous, continuous and spindle like shape. The optical properties of the films were studied by UV-Vis-Spectrophotometer. The transmittance of the films decreases with increase of Zinc concentration. The energy band gap of the films decreases slightly, when the Zinc concentration increases from0.25 m/l to0.75 m/l and then increases when the concentration further increases from0.75 m/l to1.0 m/l.