Nano Cesium Tungsten Bronze Applied for Near-infrared Absorber

Nano cesium tungsten bronze is the optimal choice for producing heat insulating film, heat insulation coating, energy-saving glass or smart glass as a near-infrared absorber. And these transparent heat insulation products prepared show excellent selective optical transmittance in both the visible and near-infrared regions.

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You know, for heat insulation film, it is better to achieve excellent optical absorption performance from the visible to near-infrared regions with a low haze. So, in the study of nano cesium tungsten bronze, the experts utilized theoretically required quantitative relations and sought ways to enhance the processability. And to fabricate films with a low haze, the experts tested different processing conditions. For these studies, a film was fabricated from nonstoichiometric cesium tungsten trioxide (Cs0.33WO3) nano particles synthesized using a solid reaction and bead milling method using a composite layer coating and a novel double layer coating. Then, the optical absorption characteristics from the visible to near-infrared regions were compared to examine the effect of distance between Cs0.33WO3 nano particles in each layer.

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