The expert introduced a preparation method of tungsten trioxide nanometer array FTO conductive glass. The specific steps are as follows:

Tungsten trioxide nanometer array can be used to prepare electrochromic material, i.e., a transparent electrochromic film, which is typically used in electrochromic devices. It makes WO3 more and more concerned by the material industry. The following is a preparation method of tungsten trioxide nano array electrochromic film proposed by an expert, and the specific steps are as follows:

Tungsten trioxide nanometer array can be used to produce electrochromic film. And the prepared films are mainly applied to architectural smart windows with broad application prospects. The tungsten trioxide nano array electrochromic film can be prepared by the following steps:

WO3 nanometer array electrochromic film, which belongs to the field of nanotechnology, can be applied to smart windows. With the development of nanotechnology, the application of tungsten trioxide electrochromic film will be promoted. Therefore, the preparation of WO3 film is particularly important, the following are specific preparation steps: