Tungsten trioxide can be applied in the preparation of electrochromic smart window in the form of an electrochromic film. And the electrochromic window using WO3 film as an EC layer material is considered to be the most promising electrochromic device. However, at present, the research on smart windows is far less than the research on electrochromic materials. Although some samples of electrochromic windows have been developed, it is still necessary to make more in-depth research and improvement on its structure and manufacturing process in order to make it practical.
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So, what is smart window? The basic principle of smart window is to use the electrochromic properties to achieve dynamic adjustment of solar radiant energy. Together with the temperature measurement sensor, photosensitive sensor and controller, an energy-saving smart window that automatically adjusts the heat radiation flux as the environment changes can be prepared. Such glass allows the building to maximize the daylight while minimizing the energy consumed by the air conditioning system.
