Cs0.33WO3 particles may be applied for manufacturing nano-ceramic dispersion solution. The prepared dispersion solution is a new thermal insulation dispersion that may be used to prepare transparent, energy-efficient building heat insulation films. In this process, experts prepare cesium tungsten bronze powder under different pH conditions, and they also used these powders to prepare different cesium tungsten bronze films.
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The above image shows the transmittance spectra of Cs0.33WO3 coatings obtained from dispersion of particles with different pH value. It can be seen from the image that Cs0.33WO3 dispersion has the most excellent near-infrared shielding performance at pH=7. This is related to the grain size and wettability of cesium tungsten bronze particles. Under strong acidic or alkaline conditions, it is not conducive to the reduction of the grain size of cesium doped tungsten bronze particles and the improvement of wettability and dispersibility. Therefore, the near-infrared shielding performance of cesium tungsten bronze film is poor.
