Cs0.32WO3 for transparent heat-insulation film is also known as cesium tungsten bronze or cesium tungstate. As cesium tungsten bronze nano powder is an extremely important dingal nanomaterial for preparing thermal insulation film, the preparation of cesium tungsten bronze also has attracted more and more attention. Well, do you know how to prepare cesium tungsten bronze powder?
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Some experts adopt cesium carbonate powder and tungstic acid powder as starting materials, mix the two powders into deionized water, and use an electromagnetic heating stirrer to mix and stir. Mix the powders evenly in the deionized water until thickened, place it in an oven, set the temperature to 120 °C, and dry it for 4-8h according to the amount of sample. After drying the deionized water, the precursor can be obtained. Then appropriate ball milling is performed to make the powder more uniform. After ball milling, the powder is placed in a vacuum high-temperature furnace, an appropriate amount of reducing agent is added, and heat treatment is performed at a temperature of 700 °C for 5 hours to obtain cesium tungsten bronze powder.
