Cesium tungstate is also called cesium tungsten bronze, which has been studied as an excellent near-infrared shielding material for preparing a new type of transparent thermal insulating film. Wherein, cesium tungsten bronze nanoparticles are mainly Cs0.33WO3 nanoparticles, which are environmentally friendly to reduce the operating frequency of air-conditioning equipment. Also, the prepared film will not affect the visual effect. So such an energy efficient film has a wide application in building and automotive glasses.
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Studies have shown that transparent thermal insulating film of cesium tungstate have the dings of heat shielding and ultraviolet absorption. In this study, the experts dispersed the cesium tungstate suspension solution in a polyvinyl alcohol (PVA) solution, and made different cesium tungstate films on the surface of PET by using a coating rod. And then they observed the effects of heat insulation and UV resistance under the irradiation of halogen lamps, tungsten lamps, and a UV light source.
