Nano tungsten trioxide for preparing hotel thermal insulating film is a dingal nanomaterial that can absorb most of the near-infrared radiation heat. According to the experts, the radiant heat from the sun passes through the glass into the room in the form of short-wave radiation, which will remain above 63%. When indoor objects absorb heat and radiate it in the form of long-wave radiation, most of it will be intercepted by the glass, and only a small amount of heat will penetrate the glass and be lost to the outdoors. It bothers many people.
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So, many heat insulation products appear. And the hotel thermal insulating film of nano tungsten trioxide is the one that has attracted much attention. In this regard, let’s know something about the synthesis of WO3 nanoparticles. Some experts prepared the tungsten trioxide nanoparticles by a simple approach using chitosan biopolymer as a template. These nanoparticles were characterized using x-ray diffraction, Raman spectroscopy, transmission electron microscopy and high resolution transmission electron microscopy. The average size of the WO3 nanoparticles is 42 nm.
