Tungsten oxide can be used to develop and prepare an electrochromic device such as a smart glass, an electrochromic display, an automotive automatic anti-glare rearview mirror, and the like. When it comes to electrochromism, you may think of Deb. In 1973, Deb first discovered that the tungsten oxide powder had electrochromic properties, and developed the electrochromic device of tungsten trioxide film for the first time.
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In this regard, experts said that from that time to today, although oxides such as Ni, Mo, Nb and Ir have been found to have electrochromic properties, people have always given the greatest attention to tungsten oxide film as it has better electrochromic effect. At present, in the development of inorganic electrochromic devices that have entered the practical stage, almost all of core part of the discoloration of materials adopted WO3 films. That is to say, the yellow tungsten oxide powder has broad application prospects in the field of electrochromism.
