WO3 porous film has excellent electrochromic properties so that it can be used to assemble electrochromic devices such as smart windows. And such smart windows have good heat insulation and heat preservation performance with high transparency. With the application of WO3 smart windows in the field of building, more and more people have begun to pay attention to tungsten trioxide electrochromic films including their preparation. So, do you know how to prepare a tungsten trioxide film?
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Some experts have used the anodic oxidation method to form a WO3 porous film on the surface of ITO glass with a sputtered metal tungsten layer. In this regard, the experts said that compared to the dense WO3 film, the WO3 porous thin film obtained by the anodic oxidation method has superior electrochromic properties, including faster response speed and larger visible light modulation amplitude, which are beneficial to its application in the field of energy-saving buildings.
