Cesium Tungsten Bronze

Cesium tungsten bronze is a blue-black powder with specific structure of oxygen octahedral. Its particle size is uniform and crystallinity is high. Its formula is CsxWO3.

Properties
1. Easily dispersed in polar and non-polar solvent.
2. With low resistivity and low temperature superconductivity property.
3. Good glass thermal insulation performance.
4. Excellent electrical and optical properties with the near infrared blocking rate up to 95% (Transmittance of visible light is 70%). Good absorption for far infrared region.cesium tungsten bronze picture
Preparation
Cesium tungsten bronze can be prepared by citric acid induced hydrothermal synthesis method. This method takes citric acid and ethanol as the reducing atmosphere. Carboxyl or hydroxy in the citric acid and ethanol can be oxidized to carbon dioxide and carboxyl at high temperature and pressure. Meanwhile, W6+ is reduced to W4+ or W5+. Then, cesium ions go into tungsten bronze structure to generate CsxWO3.

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