Cs0.33WO3, or cesium tungsten bronze, is a popular heat shielding material, which can shield heat radiation by absorbing the near-infrared light. While, the heat shielding materials such as thermal insulation film and heat insulation coating are regarded as a new technology to realize solar control windows.
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It is reported that the solar control windows of Cs0.33WO3 nano particles have better heat-shielding performance and higher visible light transmittance than those solar control windows prepared by conventional technologies include heat-absorbing glasses, tinted resin films, heat-reflecting glasses (glasses coated by a thin metal layer), metal-deposited reflective films, sputter-coated glasses/films with a multilayer of silver and dielectrics, infrared reflective films with a multilayer of resins with continually-changing refractive indices, etc. And there is no doubt that cesium tungsten bronze nano particles have attracted much attention due to its unique performance recently. Unique performance? Yeah. Emm… That is selective absorption of light.
