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首页> 外文会议>International Conference on Electrical and Electronics Engineering >Influence of Film Thickness on Electrical and Optical Properties of Vanadium Dioxide Thin Films for Smart Window Coating Application
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Influence of Film Thickness on Electrical and Optical Properties of Vanadium Dioxide Thin Films for Smart Window Coating Application

机译：膜厚对智能车窗涂膜用氧化钒薄膜电学和光学性能的影响

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Vanadium dioxide (VO_2) is one of the material for smart window application due to its transition temperature that close to nearest room temperature from 20°C to 30°C. The aim of this research is to study the effect of VO_2 thin films with different spin coating speeds during the deposition process which change the thin film thickness at varies spin coating speed. In this work, quartz substrates were used with 2.0 cm x 2.0 cm dimension. The VO_2 solution was prepared by sol-gel method by mixing the vanadium oxytripropoxide with isopropanol, while VO2 thin film was fabricated using spin coating technique. Five samples were used to characterize the different of spin coating speeds at 1000 rpm, 1250 rpm, 1500 rpm, 1750 rpm and 2000 rpm. The samples of VO_2 thin films produce a different characterization pattern of electrical and optical properties. Samples characterization process were performed using I-V measurements and UV-Visible spectrophotometer. The absorbance and transmittance of VO_2 thin films were checked using UV-Visible spectrophotometer for the optical properties of thin films, while the I-V measurements for the current and voltage of each sample. The result for 1000 rpm sample shows the highest thickness with less grain and high conductivity. As a conclusion, sample with the highest thickness film produced thin film with a good electrical and optical properties.
机译：二氧化钒（VO_2）由于其转变温度接近20°C至30°C的最接近室温，因此是智能窗户应用的材料之一。这项研究的目的是研究在沉积过程中具有不同旋涂速度的VO_2薄膜的影响，这些薄膜在不同的旋涂速度下会改变薄膜的厚度。在这项工作中，使用尺寸为2.0 cm x 2.0 cm的石英基板。 VO_2溶液是通过溶胶-凝胶法将三氧化二钒钒与异丙醇混合而制得的，而VO2薄膜是采用旋涂技术制备的。使用五个样品表征在1000 rpm，1250 rpm，1500 rpm，1750 rpm和2000 rpm时旋涂速度的不同。 VO_2薄膜的样品产生了不同的电学和光学特性表征模式。使用I-V测量和UV-可见分光光度计进行样品表征过程。使用紫外可见分光光度计检查VO_2薄膜的吸光度和透射率，以检查薄膜的光学性能，同时使用I-V测量每个样品的电流和电压。 1000 rpm样品的结果显示出最高的厚度，更少的晶粒和更高的电导率。结论是，具有最高厚度膜的样品产生具有良好电学和光学性质的薄膜。

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