Cesium tungsten bronze is a kind of near infrared shielding material, which can be used for preparing heat-insulating coatings or thermal insulation films. Thus, it can be applied to architectural glass, such as glass curtain wall, glass door and glass window, as well as automotive film and other applications.
Optical Properties of Cesium Tungsten Bronze
Since cesium tungsten bronze has a special structure of internal tunnel and transport characteristics of carrier, it has many excellent optical properties such as electrochromism, photochromism, and selective permeability of light. By studying the mechanism of selective transmission of cesium tungsten bronze, it can be found that the absorption of light waves in different wavelength bands can be changed by changing the concentration of free electrons inside the cesium tungsten bronze lattice. In other word, the doping amount of cesium ions (Cs+) is changed so that the cesium tungsten bronze material will have shielding effect against ultraviolet light and near-infrared light.
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