Nano grain size cesium tungsten oxide, or nano cesium tungsten bronze, may be used to prepare new environmentally-friendly infrared ultraviolet shielding material such as transparent thermal insulation coating. Cesium tungsten bronze transparent heat-insulating coating has the advantages of simple preparation process, low raw material and low equipment input. Therefore, it has better adaptability to the market and higher application value. Therefore, cesium tungsten bronze nanoparticles have very broad application prospects.
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At present, the research on inorganic materials with near-infrared shielding properties is mainly focused on transparent conductive oxides, such as ATO, ITO, ZAO, etc. The near-infrared shielding performance of cesium tungsten bronze nanoparticles is rarely studied. In fact, cesium tungsten bronze nanopowder is a non-stoichiometric narrow band gap semiconductor material. Coatings prepared by using cesium doped tungsten oxide nanopowder as dingal particles have better visible light transmission and infrared light shielding performance than ATO, ITO, ZAO and many other thermal insulation materials.
