Tungsten Oxide Applied for Smart Window

Tungsten oxide can be applied to prepare an electrochromic film, and then be used to produce a new type of smart window, in which the WO3 electrochromic film plays a decisive role in the performance of the entire electrochromic window. In this regard, experts said that considering the performance, price and preparation process and other factors, from the current research results, tungsten oxide film is one of the best electrochromic materials.

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What are the requirements of the electrochromic window for its electrochromic layer material? It requires electrochromic materials not only have good electrochromic properties - wide electrochromic dynamic adjustment range, that is, large transmittance changes, high coloring efficiency and fast response speed, but have stable performance and long working life. In fact, data has shown that smart windows save energy by 44%-59%. However, excessive cost has always been an important factor restricting its promotion and application. Since the 1980s, many universities and research institutes in China have studied the types, preparation techniques, electrochromic mechanisms and properties of electrochromic materials. However, at present, all solid-state electrochromic glass has not been widely promoted and applied.

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