Cs Doped Tungsten Oxide Applied for Transparent Thermal Insulation Nanopowder

Cs doped tungsten oxide can be said to be a type of environmentally friendly transparent thermal insulation nanopowder. It is “transparent” because the heat insulating materials prepared by Cs doped tungsten oxide nano powder all have high transparency. In addition, these cesium doped tungsten oxide materials have good thermal insulation properties. And therefore, they are more widely used in architectural glass and automotive glass for heat insulation. These heat insulating materials have longer service life. Therefore, experts are more concerned about the cesium doped tungsten oxide powder.

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Experts have found that cesium doped tungsten oxide nanopowder with hexagonal Cs0.32WO3 structure can be synthesized by hydrothermal method in citric acid solution using sodium tungstate and cesium carbonate as raw materials. And the prepared powder exhibits strong ultraviolet absorption and short-wave near-infrared absorption properties. The absorbance in the short-wave near-infrared region increases as the reaction time increases and the citric acid content increases.

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