Nano grain size tungsten trioxide may be used to prepare nano-ceramic dispersion solution so that the dispersion solution may have the advantages of high heat insulation, high solid content and low viscosity. And it can also reduce the use of the solvent as much as possible. Generally, the dispersion solution should be used in combination with various solvents, resins and auxiliaries. What should be noted is that the compatibility of those materials should be confirmed before use.
Electrochromic property is one of many properties of tungsten trioxide. A film composed of tungsten trioxide fiber may be obtained by pulse spray pyrolysis method using ammonium tungstate as a precursor, and then its electrochromic property is tested by cyclic voltammetry. The results show that the unique fiber-like microstructure of the sample makes it have higher discoloration rate and fading rate, which is very important for the application and development of electrochromic devices.
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