Tungsten oxide powder can be used to prepare an electrochromic film, and then be used to produce a smart window, which is energy-saving and environmentally friendly for applying smart buildings. It can artificially adjust the glass optics according to the people's wishes and the changes in the external environment. In other words, it provides a new way for building energy conservation and emission reduction.

Yellow tungsten oxide powder is an inorganic electrochromic material for preparing a smart window, which has the characteristics of high efficiency, energy conservation (heat insulation and heat preservation), and environmental protection, so it has a very attractive application prospect in energy-saving buildings.

The electrochromic material is divided into an inorganic electrochromic material and an organic electrochromic material, wherein WO3 film for preparing an electrochromic material belongs to an inorganic electrochromic material. While do you know what the hot spot in the field of science research is? It is the study of electrochromic materials and smart windows, which have the characteristics of energy conservation and environmental protection. But why? Because the environment is seriously polluted, and the energy is reduced gradually. Also, there is global warming. Besides, there are still many other serious problems.

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.