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Optical Switching and Color Changing Properties of VO2 Films on Muscovite Substrate
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Optical Switching and Color Changing Properties of VO2 Films on Muscovite Substrate
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    摘要:

    采用溶膠凝膠及后退火工藝制備云母基底的二氧化釩薄膜，采用XRD、SEM、FTIR及色差研究薄膜的性能。FTIR結(jié)果表明：在金屬-半導(dǎo)體相變過程中，薄膜在紅外光區(qū)的透過率變化為77%；變色性能顯示相變時薄膜從低溫的黃褐色變?yōu)楦邷攸S綠色，色差?E*隨溫度的變化規(guī)律與光學(xué)開關(guān)性能類似，色差?E*在相變過程中的最大值為11.31

    Abstract:

    VO2 films on muscovite substrate were fabricated by inorganic sol-gel method and the following thermal treatment. The films were characterized by X-ray diffraction，scanning electron microscope (SEM), fourier transform infrared spectrophotometer (FTIR) and color difference (?E*). The FTIR result shows that the film has an infrared transmittance switching efficiency of 77% in the metal-insulator transition. The color changing properties indicate that the film color reversibly changes from khaki to yellow-green as the temperature changes. The relationship between ?E* and the temperature presents a hysteresis loop, which is in accordance with the infrared optical switching properties. The maximum of ?E* during the film metal-insulator transition is 11.31

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羅蓉蓉,何 鵬,黃婉霞,顏家振,蔡靖涵. Optical Switching and Color Changing Properties of VO2 Films on Muscovite Substrate[J].稀有金屬材料與工程,2012,41(8):1327~1330.[Luo Rongrong, He Peng, Huang Wanxia, Yan Jiazhen, Cai Jinghan. Optical Switching and Color Changing Properties of VO2 Films on Muscovite Substrate[J]. Rare Metal Materials and Engineering,2012,41(8):1327~1330.]
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  • 收稿日期:2011-08-31
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