WO3 electrochromic film, as an electrochromic material, more precisely, an inorganic electrochromic material, has high coloring efficiency, fast color change response time, good electrochemical reversibility and chemical stability, and low cost, so it may be applied to produce an smart window for applying in energy-saving buildings.
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As we all know, in recent years, the energy crisis and the greenhouse effect have brought more and more environmental problems. This makes new energy-saving windows such as tungsten trioxide electrochromic windows more and more important. Electrochromic materials for preparing smart windows, such as tungsten trioxide film, can intelligently adjust the color of glass according to the incident amount of sunlight, thereby controlling the amount of heat absorption, reducing the indoor temperature, and achieving the effect of energy conservation and emission reduction. Wherein, the discoloration of the WO3 film occurs due to double injection and double extraction of ions and electrons.
