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Physical properties of ZnO thin films deposited by spray pyrolysis technique

机译：喷雾热解沉积ZnO薄膜的物理性质

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Thin films of ZnO have been prepared on glass substrates at different thicknesses by spray pyrolysis technique using 0.2 M aqueous solution of zinc acetate. X-ray diffraction reveals that the films are polycrystalline in nature having hexagonal wurtzite type crystal structure. The resistivity at room temperature is of the order 10(-2) Omega cm, and decreased as the temperature increased. Films are highly transparent in the visible region. The dependence of the refractive index, n, and extinction coefficient, k, on the wavelength for a sprayed film is also reported. Optical bandgap, E-g, has been reported for the films. A shift from E-g = 3.21 eV to 3.31 eV has been observed for deposited films. (c) 2005 Elsevier B.V. All rights reserved.
机译：使用0.2 M醋酸锌水溶液，通过喷雾热解技术在玻璃基板上以不同厚度制备了ZnO薄膜。 X射线衍射揭示该膜本质上是具有六方纤锌矿型晶体结构的多晶。室温下的电阻率约为10（-2）Ω·cm，并随温度升高而降低。薄膜在可见光区域是高度透明的。还报道了折射率n和消光系数k与喷涂膜波长的相关性。已经报道了膜的光学带隙E-g。对于沉积膜，已经观察到从E-g ＝ 3.21eV到3.31eV的转变。 （c）2005 Elsevier B.V.保留所有权利。

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