Yellow Tungsten Oxide Applied for Liquid Electrochromic Device

Yellow tungsten oxide for the preparation of a liquid electrochromic device is the well known electrochromic material - tungsten trioxide, which is pale yellow in color. On the basis of summarizing the previous research results, some experts have prepared WO3 electrochromic film and TiO2 ion storage layer film by sol-impregnated pulling method and sol-electrophoretic deposition method, and they analyzed and discussed their microstructure and electrochromic properties.  And on this basis, a liquid electrolyte electrochromic device was assembled.

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Experts said that the liquid electrochromic device with good light-adjusting ability can be available using a tungsten oxide film as an electrochromic layer, the titanium dioxide film as an ion storage layer, and LiClO4-PC as a liquid electrolyte. Its visible light transmittance adjustment range is between 35% and 50%, and the cycle life is better. As you may have known, all-solid-sate electrochromic device and other electrochromic devices are expected to be used in production of environmental friendly smart glass, that is, a heat insulation glass.

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