Cs0.32WO3 nanoparticles have high concentration of free carriers, high visible light transmission and high near-infrared light shielding performance, so they may be used to produce good near-infrared shielding material for applying in car heat insulating window glass. In addition, cesium tungsten bronze nano dingal particles also have a very broad application prospect in the construction industry. Such new heat-insulating particles are often prepared into transparent heat insulating materials, such as, heat insulating film, heat insulating dispersion, and heat insulating coating, etc.
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The nanoparticles are also known as nanopowders. The preparation of nanopowders has always been a hot technology in the powder industry. The common methods for preparing nanopowders are chemical method and physical method. At present, in the physical preparation method of the nano material, the physical pulverization method and the mechanical alloying method are simple in process and high in yield, but impurities are easily introduced in the preparation process. Evaporation condensation method is widely used, and the preparation device is easy to realize, but the process parameters affecting the particle size of the powder are large, and the yield of the powder is low. These problems have always restricted the development of the method. However, the prospect of physical preparation of nanopowders is broad. And it deserves continuous research and exploration.
