WO3 film has electrochromic properties so that it can be used to prepare a smart glass for dynamic adjustment of room temperature and light. In other words, tungsten oxide electrochromic glass can reduce indoor temperature, thereby reducing energy consumption. Also, it can shield ultraviolet rays and play an anti-glare effect with high transparency. And it is waterproof, dustproof and fireproof. So, what is the electrochromic property of tungsten trioxide film?
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According to experts, the electrochromic properties of tungsten oxide films are mainly concentrated in the near-infrared region. When ions are injected into the film, a large amount of tungsten bronze-type compounds are formed in the film layer due to electrochemical reaction, and the film exhibits a high absorption state. At the same time, as the number of free carriers increase, the emission of the film in the far infrared region in the "blue shift" of the plasma oscillation frequency also increases.
