WO3 can be applied to FTO conductive glass in the form of a film. Specifically, the hydrothermal precursor fluid must be configured first:

Tungsten trioxide can be applied to the FTO conductive glass in the form of a seed crystal liquid. Specifically, it is necessary to prepare a tungsten trioxide seed crystal liquid first:

Hydrated tungsten trioxide can be used to prepare electrochromic film and thus be applied to architectural glass. In recent years, this new type of smart heat insulation material is more and more widely applied to large-area glass. Therefore, experts are exploring ways to improve the electrochromic properties of tungsten trioxide nano powder.

Tungsten trioxide can be applied to car window in the form of electrochromic glasses, that is, smart windows. On these electrochromic glasses, tungsten trioxide nano powder acts as a cathode coloring material. In April 2014, the first National Electrochromic Conference was held, indicating that research in the field of electrochromism in China has begun to heat up. Among them, tungsten trioxide nano particles, the representative in the inorganic electrochromic material, has been commercialized.