Cs0.32WO3 nanoparticles may be used to prepare an environmentally friendly dingal masterbatch --- ceramic microsphere. The raw material Cs0.32WO3 particles used is cesium tungsten bronze nano particles, which have the ding of shielding ultraviolet rays and near infrared rays. In other words, the prepared ceramic particles are anti-UV of high transparency and high heat insulation effect. Among them, some experts have studied the effect of different pH on the average particle size of dispersion slurry of cesium tungsten bronze nanoparticles after ball milling.
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Experts have found that the grain size of Cs0.32WO3 nanoparticles increases with the increasing of pH if the pH is equal or greater than 7. This is because at higher pH, the surface of the cesium tungsten bronze nanopowder adsorbs a negative charge. When adsorbing too much negative charge, the electric double layer on the surface of the particle will be squeezed. The layer is destroyed and the cesium tungsten bronze nanoparticles will agglomerate and even precipitate.
