Flow and Principle of Cesium Tungsten Bronze Citrate Synthesis Method

Cesium tungsten bronze citrate synthesis method is the use of hydrothermal conditions to easy to operate and lower cost of sodium tungstate and cesium carbonate as raw materials through the induction of cesium tungsten bronze synthesis powder. Cesium tungsten bronze citrate synthesis method is different from the traditional preparation methods such as high temperature and reducing atmosphere, the equipment requires a higher temperature thermal reduction method.

As well as the low temperature softening method synthesized in ethanol solution by using WCL6 and CsOH which are easily volatilized and hydrolyzed to produce harmful substances to the human body and the environment. In the hydrothermal conditions to induce the synthesis of cesium tungsten bronze process did not produce pollutants.

Cesium tungsten bronze citrate synthesis method is the use of analytically pure sodium tungstate as raw material, obtained by cation exchange resin tungstic acid solution. After adding analytically pure citric acid solution and analysis of pure cesium carbonate solution, the two were stirred evenly hydrothermal reaction precursor. The precursor solution was placed in an autoclave reaction process, precursor solution of Cs and W molar ratio of 0.3: 1 and then ultrasonic washing, washing, centrifugation, drying and finally gets cesium tungsten bronze powder.

Tungsten oxide powders can also be prepared in a hydrothermal reaction precursor. The cesium tungsten bronze powder prepared by the citric acid synthesis method shows more intense near-infrared absorption in the near infrared region than the cesium tungsten bronze powder in the traditional preparation process. From the precursor solution of tungsten oxide powder prepared in the performance has also been further improved.

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