Effect of TiO2 mixtures on the optical, structural and electrochromic properties of Nb2O5 thin films |
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Authors: | Esat Pehlivan Fatma Z. Tepehan Galip G. Tepehan |
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Affiliation: | Faculty of Arts and Science, Department of Physics, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey |
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Abstract: | Metal oxide films are important for various optical devices and especially for solar energy materials. TiO2-mixed Nb2O5 thin films have been produced by sol–gel dip-coating method. Several parameters such as heat treatment, thickness, and mixture percentages are studied for the effect of the optical, structural and electrochromic properties of the materials. Optical parameters of the films were calculated through transmission and reflection measurement by a refractive index, extinction coefficient and thickness analyzer. Structural, electrochromic and surface analyses of the films were done by X-ray diffractometer, potentiostat/galvanostat and atomic force microscope systems. |
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Keywords: | Optical properties Structural properties Electrochromic properties Niobium pentoxide Titanium dioxide |
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