Cs0.33WO3 Applied for Transparent Thermal Insulating Glass Coating

Cs0.33WO3, or cesium tungsten bronze, for transparent thermal insulating glass coating is obtained by doping WO3 with Cs element. According to the experts, cesium tungsten bronze is also known as cesium-doped tungsten oxide, which is a typical alkali-doped conductive phase, and belongs to a family of so-called tungsten bronze.

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The experts also introduced that tungsten bronze is found to show a superior near-infrared shielding characteristic when dispersed as nanoparticles. Especially, hexagonal tungsten bronzes have been found to exhibit the highest transparency in visible light region in addition to the strong and wide-banded near-infrared absorption. When elements with large ionic radius such as alkali metals (potassium, rubidium and cesium) and alkali earth metals (strontium and barium) are doped to tungsten trioxide, a hexagonal structure tends to be formed. In a word, the transparent thermal insulating glass coating prepared using Cs0.33WO3 as near-infrared absorbing material has the highest visible light transparency and strong near-infrared absorption performance.

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