Cesium-doped tungsten oxide, cesium tungstate is cesium tungsten bronze (Cesium Tungsten Bronze, Cs0.33WO3), referred to as cesium tungsten.
It is a dark blue tungsten oxide powder with a particle size of less than 100nm. Cesium tungsten oxide nanoparticle Cs0.33WO3 thin film has good near-infrared shielding performance and is used as an infrared absorber. It is expected to replace the existing ITO conductive glass. As a window material, it can be used as a good near-infrared heat insulation material. In the field of automotive heat insulation film made of cesium tungsten as the main material is very popular.
The cesium tungsten infrared absorber made of cesium-doped tungsten oxide nanoparticles (Cs0.33WO3) nanopowder has strong absorption in the near-infrared region (wavelength 800-1200nm) and high transparency in the visible light region (wavelength 380-780nm). High-efficiency new functional materials. At the same time, it also has a good absorption effect in the middle and far infrared region (8-10μm). This material is currently the best performance car film, PVB heat insulation laminated film, transparent heat insulation material for transparent heat insulation coatings. Adding about 1.3 grams per square meter to the coating can achieve a 950nm infrared rejection rate of more than 90%, 550nm visible light The transmittance is above 70%, and the haze is less than 0.5%.
Cesium-doped tungsten oxide nanoparticles (CsxWO3) are excellent in shielding near-infrared light and transmitting visible light, so they can achieve high transparency and heat insulation without affecting your appreciation of the outside scenery. This new type of functional material with novel optical properties has broad application prospects in construction, automobiles and other vehicles. The glass thermal insulation coating made of cesium tungsten as an infrared absorber is a coating prepared by processing one or more nano-powder materials. The nano-material itself has special optical properties, that is, in the infrared region, It has a high blocking rate in the ultraviolet region and a high transmittance in the visible region. Utilizing the transparent heat insulation properties of this material, it is mixed with environment-friendly high-performance resin and processed by special processing technology to prepare energy-saving and environment-friendly heat insulation coating. Under the premise of not affecting the lighting of the glass, the effect of energy saving and cooling can be achieved in summer, and the effect of energy saving and heat preservation can be achieved in winter.
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