Nano cesium tungstate powder (Cs2WO4) is a type of infrared ultraviolet shielding material developed in recent years, which may be prepared by ultrasonic chemical method. The obtained nano grain size cesium tungstate has the characteristics of small particle size, uniform dispersion, less agglomeration and high purity. Moreover, the ultrasonic chemical method is easy to operate with high efficiency. And this method has good reproducibility, which is conducive to industrialization.
The nano cesium tungstate powder is suitable for heat/thermal insulation in building and automotive glasses, in the form of transparent thermal insulation coating. It can ensure high visible light transmittance while having good heat insulation effect with less cost, thus it has a broad application prospect. At present, some famous paint companies in many countries, such as Japan, Germany, and the United States, are making great efforts to develop transparent thermal insulation coatings of cesium tungstate. With the development of transparent thermal insulation coating, cesium tungstate will be more and more popular.
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