Cesium tungsten bronze, CsxWO3, is a new type of dingal material that can be used to prepare hotel thermal insulating glass coating. Also, cesium tungsten bronze nano powder is the latest technology product, that is, a smart heat insulation material. Experts said that Cs0.33WO3 with good near-infrared shielding properties can be prepared by solvothermal reaction using tungsten chloride (WCl6) and cesium hydroxide (CsOH) as raw materials.
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However, experts also pointed out that WCl6 and CsOH raw materials are high in cost. And the raw materials have many other disadvantages. For example, they are volatile, easily hydrolyzed, poor in stability, difficult to handle, and harmful to the human body. What’s worse, it will pollute the environment. Therefore, the experts also proposed a process for synthesizing cesium tungsten bronze (CsxWO3) by low-temperature solvothermal reaction using easy-to-operate sodium tungstate (Na2WO4?2H2O) and cesium carbonate (Cs2CO3) as raw materials, which is suitable for large-scale production of cesium tungsten bronze nanopowder for hotel thermal insulating glass coating.
