F-doped Cesium Tungsten Bronze Applied for Near-infrared Shielding Material

F-doped cesium tungsten bronze has excellent near-infrared shielding properties so that it may be used to produce near-infrared shielding material such as thermal insulation film, thermal insulation dispersion and thermal insulation coating. In this regard, experts say that surface plasmon resonance is considered to be one of the sources of near-infrared shielding properties of cesium tungsten bronze.

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The phenomenon of surface plasmon resonance generally occurs on metallic materials. Later, experts discovered that this physical phenomenon also occurs on conductive metal oxides. It is well known that surface plasmon resonance is closely related to nanostructure size, morphology, dielectric and free carrier concentration. For example, the intensity of surface plasmon resonance increases with the increasing of carrier concentration in F doping cesium tungsten bronze. As mentioned at the beginning, the near-infrared shielding material of cesium tungsten bronze is a type of heat insulating material, so it may be used in building for energy efficiency.

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