Mo-doping tungsten oxide electrochromic film may be used as an electrochromic layer for producing smart window, and therefore be applied in buildings or automobiles to play the role of heat insulation and heat preservation with high transparency. According to experts, such heat insulating film can be prepared by a spray coating method. Spray coating has been widely used to make large-area electrochromic devices due to its highly efficient production rate. While do you know why it is necessary to modify the tungsten oxide electrochromic film by molybdenum doping?
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This is because Mo-doped tungsten oxide has a wider optical absorption band, and therefore, Mo-doped tungsten oxide has received increasing attention from researchers. In addition, the doping of molybdenum also increases the electrochromic efficiency as it enhances the electronic valence conversion between Mo5+ and W6+, Mo5+ and Mo6+, and W5+ and W6+. However, there are few reports on the preparation of molybdenum-doped tungsten oxide thin films by spray coating currently.
