Yellow Tungsten Oxide Electrochromic Film

Yellow tungsten oxide electrochromic film can be applied to architectural glass to obtain an electrochromic smart window. Therefore people can actively adjust the optical properties of the glass, thus achieving dynamic adjustment of the lighting and heat insulation performance of the glass. This new type of smart glass is known as the new building energy-saving glass in the post-LOW-E era, and is the development direction of building energy-saving glass.

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http://www.tungsten-powder.com/tungsten-oxide.html

Experts say that the film has a loose structure, a large porosity, a low crystallinity, and a small grain size, which allows WO3 to have a large discoloration range, high discoloration efficiency, and low driving voltage. However, at the same time, it is easy to cause problems such as poor structural stability and short cycle life of the obtained WO3 film. On the contrary, the WO3 film with a high degree of crystallization has a stable structure and a long cycle life, but has problems such as high driving voltage, long coloring/fading response time, slow color change rate, and small discoloration amplitude.

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