Nano tungsten oxide electrochromic thin film is a new type of heat insulation material that can be applied in the fields of smart windows, thereby saving energy without polluting the environment. There are many preparation methods. And some experts have proposed a new method for preparing tungsten oxide electrochromic film. The method is easy to operate. The preparation process is fast. The reaction conditions are mild. Moreover, the prepared nano tungsten oxide electrochromic thin film has a fast response speed.
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Specifically, the experts combined the liquid-phase laser ablation method with the electrophoretic deposition method. First, the experts adopted the liquid-phase laser ablation technology to ablate tungsten targets in a liquid-phase environment by laser to obtain colloids of highly active tungsten oxide nano particles. Then, in the obtained colloidal solution, a nano tungsten oxide thin film was prepared by electrophoretic deposition on a transparent conductive glass substrate.
