Tungsten Trioxide Nanopowder Applied for Electrochromic Material

Tungsten trioxide nanopowder is an electrochromic material, which is also one of the main representatives of electrochromic materials research. WO3 is also a new functional material with great application prospects. According to experts, WO3 powder can be applied not only to the production of building window glass and smart windows, but also to a wide range of applications in large displays, optical switches, and electrochromic memory devices. In addition, in recent years, the application of tungsten trioxide in the production of electronic ink display materials has also begun to take shape.

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So, what is the classification of electrochromic materials as a new functional material? According to the way of electrochemical reaction, electrochromic materials can be divided into two types: anode electrochromic materials and cathode electrochromic materials. As is known to all, there are thousands of materials in the world. And there are also many types of electrochromic materials, but what representative materials are there? At present, research on electrochromic materials mainly focuses on inorganic cathode electrochromic materials represented by WO3 and organic electrochromic materials represented by polyaniline and viologen. And there are few studies on organic-inorganic multi-doped electrochromic materials.

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