3D Quasi-vertical WO3 Nanosheet Film

3D quasi-vertical WO3 nanosheet film can be prepared by electrodeposition method. First, some experts used a simple solution method to prepare a WO3∙2H2O nanosheet sol with positive charges on the surface.

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Then, the experts placed the WO3∙2H2O nanosheet sol in a three-electrode system for electrodeposition. The electrostatic repulsion between the sheets causes the sheets to interlace with each other. Finally, a tungsten trioxide nanosheet film of three-dimensional vertical structure was formed on the FTO conductive glass. Experts also studied the effect of ion transport speed on electrochromic properties. The prepared tungsten trioxide film is an electrochromic film that can be used to produce electrochromic devices and ultimately applied to architectural glass, especially large-area glass curtain walls and sunrooms. Tungsten trioxide will be more widely used as an electrochromic material with the development and ripeness of its application in smart windows. And more people will know WO3 someday.

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