Cesium Tungsten Bronze Applied for Solar Film

Cesium tungsten bronze is often used to produce solar film as a near-infrared absorption additive to reduce the amount of solar energy (UV radiation and infrared heat) transmitted through a film by increasing the solar absorption of the glass, improving the comfort in homes and automobiles without sacrificing visibility.

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According to the experts, cesium tungsten bronze (CsxWO3) powder can be synthesized by low temperature hydrothermal reaction. Wherein, sodium tungstate and cesium carbonate are used as raw materials, and citric acid is used as the reducing agent. And the CsxWO3 film can be prepared on glass using polyvinyl alcohol solution as film-forming agent. The prepared CsxWO3 particles show excellent near-infrared shielding as well as high transparency in the visible light region. You know, energy problem is becoming more and more serious with the economic development. So, the solar film of cesium tungsten bronze nano particles is more and more popular in buildings and automobiles to keep a comfortable room temperature and save energy.

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