Ti-doped WO3

Ti-doped WO3 can be prepared by co-sputtering method. Some experts have used this method to prepare the Ti-doped tungsten trioxide film. They found that by changing the reaction conditions, such as increasing the pressure in the oxygen chamber, the experimental results are as follows:

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1.0 It can make the band position of the tungsten trioxide film move from 3.10eV to 3.26eV, and the refractive index changes, thereby changing its electrochromic performance;

2.0 When the pressure of the oxygen chamber is 0.4 Pa, the structure, morphology, optical and electrochromic properties of the tungsten trioxide film are greatly improved. At 550nm, the film has light modulation amplitude of 70% and an electrochromic efficiency of 66cm2/C. Experts said that the obtained WO3 film is a new type of electrochromic film, which can be used in architectural glass to realize intelligence. And you can actively control the lighting and shielding performance of glass. WO3 smart glass is the development direction of building energy-saving glass.

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