Cesium doped tungsten oxide may be applied for preparing thermal insulation masterbatch. And, at present, the synthesis method of the Cs doped tungsten oxide powder is mostly limited to high temperature thermal reduction method, such as, gas phase chemical transport method, hydrogen reduction method, solid phase method, and the like.
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However, these methods have disadvantages such as high requirements of experimental equipment and difficulty in controlling the experimental process.Therefore, hydrothermal synthesis, as a simple and practical synthesis method, has been widely used in the synthesis of Cs doped tungsten oxide powder, but the hydrothermal synthesis method for the synthesis of Cs doped tungsten oxide powder has only been reported in recent years.
Some experts have proposed a low temperature hydrothermal synthesis method using cesium carbonate and sodium tungstate as raw materials, citric acid as the reaction solvent, to prepare Cs doped tungsten oxide powder. At the same time, the experts also studied the hydrothermal reaction time, citric acid content and the effect of ethanol on the light absorption properties of the synthesized Cs doped tungsten oxide powder.
