Electrochromic Film: Tungsten Oxide Film

As an electrochromic film, tungsten oxide film can be used to assemble an electrochromic window to achieve the purpose of thermal insulation and energy conservation. However, for the time being, in order to successfully industrialize the tungsten oxide smart window, it is necessary to develop a low-cost, high-performance electrochromic material.

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In this regard, the expert introduced a method for preparing a tungsten trioxide film - screen printing. How to prepare a tungsten oxide film by screen printing? First, the nano tungsten oxide ink is poured onto a printing screen, and the ink is infiltrated into the screen by a scraper, and a thin tungsten oxide film is printed on the conductive layer. After the organic solvent is evaporated, a tungsten oxide electrochromic film can be obtained. While there is still a long way to go in preparing a large-area tungsten oxide electrochromic thin film with low cost and high performance, which is necessary for industrialization of large area smart windows.

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