Cesium Doped Tungsten Oxide Powder Applied for Infrared Ultraviolet Shielding Material

Cesium doped tungsten oxide powder may be applied for producing infrared ultraviolet shielding material, which is a kind of window film heat insulation media. As you may have known, at present, window film heat insulation media produced at home and abroad mainly adopt nano powder or nano coating as raw materials, such as, cesium doped tungsten oxide, ATO, ITO, and so on.

However, when these nano materials are used alone, these single heat insulating media always have many defects in optical performance indicators. The single-component cesium doped tungsten oxide, ATO and ITO nano materials have their own advantages and disadvantages. Their respective characteristics are shown as follows:

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The wavelength is around 780nm-1300nm, the shielding ratio of ATO to IR is better than that of ITO nano materials. ATO has the best IR resistance around 1100nm. And the wavelength of cesium doped tungsten oxide at 180nm-1000nm is higher than that of ATO and ITO nano materials. Also, the cesium doped tungsten oxide nano particles have the best shielding affect to IR near 900nm. Therefore, the development of a high-performance window film heat insulation medium that can satisfy high transparency and high heat insulation performance in the near-infrared region has a very urgent market demand.

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