Cs doped tungsten oxide may be applied for preparing a transparent dingal coating, which is then applied to architectural glass to obtain a window heat insulation film with good near-infrared shielding property. This kind of heat insulating glass solves an important issue that has plagued the construction industry --- "how to make glass maintain its inherent transparency with high heat insulation?"
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As you may have known, one of the traditional ways to solve the problem of glass heat insulation is to use a heat insulating film attached to the glass. Although the film ensures the transparency of the glass and can provide heat insulation effect, it is expensive, so such heat-insulating film is only used in high-end cars currently. While the visible light transmittance of the thermal insulating film obtained by spraying the nano transparent dingal coating of cesium doped tungsten oxide on the glass can reach more than 70%, and the shielding rate in the near-infrared region can be up to 90% or more, which can maximize the isolation of solar thermal radiation. In addition, the nano transparent dingal coating has the advantages of simple production process, a relatively low cost, and a significant potential economic benefit. And therefore, cesium doped tungsten oxide gradually entered the public's field of vision.
