3D Quasi-vertical WO3•0.33H2O Nanosheet Film

3D quasi-vertical WO3•0.33H2O nanosheet film can be prepared by electrodeposition method, that is, the hydrated tungsten trioxide nanosheet prepared by a simple green solution method is formed on the conductive substrate, which can solve the limitation of the hydrothermal method on the film substrate.

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According to experts, the electrochromic thin film of tungsten trioxide nano material has a light modulation range of 66%, a coloring time and response time of 16 and 3.5 seconds, respectively, and a coloring efficiency of 53cm2/C. Through this work, not only a high-performance, low-cost electrochromic device is obtained, but also a new method for constructing a porous structural film is provided, and the preparation method of such a quasi-vertical structure can be applied to a stretchable device in the future, to prevent the film from cracking during stretching. And therefore, there will be more and more devices applying nano particle size tungsten trioxide.

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