Cs0.32WO3 is often prepared into heat insulation coating, which is mainly applied for producing heat insulation window glass with high near-infrared shielding performance. Wherein, Cs0.32WO3 can be synthesized by a high-temperature carbothermal synthesis method using cesium carbonate and tungstic acid as starting materials. And the prepared Cs0.32WO3 powder has suitable grain size and crystallinity.
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According to the experts, it is very important to choose proper heat treatment temperature and heat treatment time. The experts have found that the relatively suitable heat treatment temperature of this synthesis method is 700 °C. At this temperature, they found that the appropriate heat treatment time is 5h. In the preparation process, if the heat treatment time is too short, the reaction will be incomplete and a small number of heterogeneous phases will be generated; while if the heat treatment time is too long, the grains will become coarse and heterogeneous phases will also be formed.
