Cs0.33WO3 Applied for New Energy Saving Glass

A new energy saving glass, which shields a large amount of near-infrared light yet transmit visible light, can be prepared with Cs0.33WO3 (cesium tungsten bronze) nanoparticles dispersed in resins. Such a glass using cesium tungsten bronze nano particles have advantages over conventional technologies in low solar energy gain, low cost and high stabilities, while keeping visible transmittance high.

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According to the experts, significantly little amount of cesium tungsten bronze is used in production of a new energy saving glass to get excellent near-infrared shielding properties. Some experts investigated the origin of near-infrared absorption of dispersed nanoparticles by measuring dielectric functions using electron energy-loss spectroscopy. And it was found that the localized surface plasmon resonance is responsible for such a strong absorption. In a word, the new energy saving glass of Cs0.33WO3 can shield heat without affecting daylighting, thereby saving energy and electric cost. And these heat insulation glasses are often applied to buildings or autos.

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