WO3 electrochromic thin film is a new type of environmentally friendly smart material that is expected to be popularized and applied on energy-saving window. With the promotion of tungsten oxide electrochromic films in the field of building energy conservation, more and more experts and scholars have begun to pay attention to the preparation of such smart films. The following is a method for preparing WO3 electrochromic thin film:
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The liquid-phase laser ablation method is combined with the electrophoretic deposition method. First, the tungsten source target is ablated by the liquid-phase laser to obtain a colloidal solution containing tungsten oxide nanoparticles. Then, in the obtained colloidal solution, a nano tungsten trioxide film is prepared on a transparent conductive glass substrate by electrophoretic deposition with high coloring/erasing contrast and fast response speed. Well, according to the experts, due to its characteristics of high heat insulation, high transparency and environmental protection, the tungsten trioxide thin film is regarded as a good choice for smart windows.
