Tungsten Oxide Film Applied for Electrochromic Material

Tungsten oxide film is an important electrochromic material. And WO3 film is also one of the most studied electrochromic materials. But do you know why WO3 electrochromic film is the most popular electrochromic material?

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One of the reasons is that tungsten oxide electrochromic thin film can improve the energy efficiency of buildings. Improving energy efficiency of buildings is the main means to promote the transition from the existing energy economy to a renewable energy-based energy economy. While how can WO3 electrochromic film improve energy efficiency of buildings? The tungsten oxide electrochromic film can play the role of high heat insulation and high heat preservation, thereby reducing the indoor temperature, and therefore reducing the use of refrigeration equipment such as air conditioners and heating equipment such as radiators. Finally, the energy waste is reduced. In other words, such an electrochromic film of tungsten oxide improves the energy efficiency of buildings.

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