Cesium tungstate, mainly nano grain size cesium tungstate powder, may be applied for preparing infrared ultraviolet shielding material. And the obtained heat insulating material is suitable for the thermal insulation of architectural and automobile glass as the material of cesium tungstate nano particles can ensure high visible light transmittance, high blocking rate of near-infrared and ultraviolet. Also, it has good cost advantage. And therefore, such heat insulation material has broad development prospects.
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Among them, the cesium tungstate nanoparticles used can be prepared by ultrasonic chemistry method. However, it should be noted that no matter what method is used to prepare the cesium tungstate powder, the obtained nano cesium tungstate powder must satisfy the characteristics of high purity, less agglomeration, small particle size, and uniform dispersion. And some experts said that the ultrasonic chemical synthesis process has the advantages of simplicity, high efficiency, easy availability of raw materials and good reproducibility, which is beneficial to industrialization.