Cs Doped Tungsten Oxide Nanoparticles Applied for Building Heat Insulation Film

Cs doped tungsten oxide nanoparticles for preparing building heat insulation film may be cesium tungsten bronze (CsxWO3) nanoparticles with different cesium content. It has been reported that cesium tungsten bronze nano powders with different cesium content can be synthesized by the low temperature hydrothermal method in citric acid solution. And the building heat insulation film of CsxWO3 nano particles can be prepared by roller coating method using PVA as a film forming agent.

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In this study, the experts mainly investigated the near-infrared shielding and heat insulation performance of the glass coated with CsxWO3 film with different cesium content. The results indicate that the near-infrared shielding performance and heat insulation performance of the glass coated with CsxWO3 film is improved with the increasing of the cesium content. By comparison with the blank glass, the glass coated with Cs0.3WO3 film has best near-infrared shielding and heat insulation, and the temperature difference of heat insulation can reach to 13.5 °C.

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