Nano Cesium Tungsten Bronze Applied for Near Infrared Shielding Material

Nano cesium tungsten bronze, or Cs0.33WO3 nanoparticles, may be applied to prepare near infrared shielding material such as architectural insulation films. In summer, such transparent glass film can effectively shield more than 90% of solar heat and prevent external heat sources from entering the room. In winter, this kind of transparent film can maintain the indoor temperature well and reduce the heat loss caused by the glass. Therefore, the thermal insulation film of nano cesium tungsten bronze is more and more widely applied to architectural glass, such as, office buildings, exhibition halls, airports, hotels, and schools, etc.

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In the hot summer, glass windows and glass doors are the main source of heat. And in winter, they are the main heat loss. You may never have thought that your window will add up to 70% air conditioning cooling load and up to 40% heating load! In this regard, experts say that cesium tungsten bronze building heat insulation film can effectively reduce the cost of air conditioning by reducing energy demand. They did relative test to find that the room glass window with such film saved about 30% of electricity consumption.

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