Tungsten Trioxide Applied for Electrochromic Smart Window

Tungsten trioxide is a very important raw material for obtaining an electrochromic smart window. Specifically, WO3 can be prepared into an electrochromic film, and then be used to prepare an electrochromic device. For example, some experts have developed a G/ITO/WO3/LiClO4-PC/NiO/ITO structure complementary semi-solid smart window, and found that its performance has reached practical requirements. In addition, such smart window also has the characteristics of large area and uniform discoloration, which provides a feasible basis for the further development of large-area smart windows.

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Some experts also deposited WO3 film, LiNbO3 film prepared by RF magnetron sputtering method, NiO film and ITO film prepared by DC magnetron reactive sputtering method on ITO transparent conductive glass substrate to form G/ITO/WO3/LiNbO3/NiO/ITO structure all-solid smart window with an area of 5cm x 5cm. According to experts, the smart window has a very broad application prospect in energy-saving building. And there will be more research on WO3 and smart window.

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