Cesium Tungsten Bronze Can Be Used As Infrared Transparent Barrier

Cesium tungsten bronze (Cs0.33 WO3) nano powder is a new functional materials, which has strong absorption and high transmittance ability in near infrared region (800-1200nm wavelength) and the visible region (380-780nm wavelength). It can be used as infrared transparent barrier.

Nano cesium tungsten bronze powder is the best transparent heat insulation material for the car sticker, PVB heat insulation film and other transparent coatings. Adding 1.3 grams per square metre in coating can achieve 950 nm infrared blocking rate above 90%, 550nm visible light transmittance over 70%, the fog degree is less than 0.5% .Cesium tungsten bronze powders were also widely used in laser marking, laser welding, greenhouses, diagnosis and infrared filter.

With low resistivity, low temperature superconducting properties and good near infrared shielding performance, nano cesium tungsten bronze is expected to replace the existing the window material ITO conductive glass, can be used as good near infrared heat insulation material, it is very attractive in the field of automobile and construction application prospect.

Cesium tungsten bronze is used to make transparent heat insulation coating on glass that has the best infrared transparent barrier feature; the near-infrared shielding performance of glass coated with CsxWO3 film has been further improved after UV irradiation. The glasses coated with CsxWO3 films which was synthesized from the non-ethanol precursor solution exhibit most outstanding near-infrared shielding performance and best heat insulation effect. In comparison with the blank glass without CsxWO3 film, the heat insulation temperature difference can achieve 24.8°C.

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