High Transparency Characteristics of Zinc Oxide Thin Films Annealed at Different Temperatures

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Zinc Oxide thin film has been prepared by sol-gel spin-coating techniques and has three steps preparation were includes. They were solution preparation, thin film deposition and characterization process. The film were prepared to investigate the annealing temperatures depend with two environments were hot and room temperatures. Annealing temperatures were set up into five temperatures 200°C, 300°C, 400°C, 500°C, and 600°C were heated inside furnace. The characterization of ZnO thin film was measured by UV-Vis Spectrometry which to measure the transmittance of ZnO have when through the medium. The transmittance was investigated by use glass as a substrate. The optical properties showed when increased annealing temperatures, so the high UV was transmit. From that, the absorption coefficient of ZnO also can also investigate too. The surface morphology in increasing annealing temperature has a small size and less porosity between particles.

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367-370

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March 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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