Cesium tungsten bronze, or CsxWO3, is often used to prepare near-infrared absorbing materials such as transparent heat-insulating film and transparent heat-insulating coating. And these near-infrared absorbing materials are often applied to produce transparent heat insulation window to reduce energy consumption for air-conditioning refrigeration. To date, researchers have developed antimony-doped tin oxide (ATO), indium-doped tin oxide (ITO), rare earth hexaboride (ReB6), titanium nitride (TiN), vanadium dioxide (VO2), tungsten bronze compounds with the formula of MxWO3 (M = Tl, Na, K, Rb, Cs) and other near-infrared absorbing materials.
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According to the experts, among these near-infrared absorbing materials for producing transparent thermal insulation windows, cesium tungsten bronze (CsxWO3) has the best visible light transmission performance and near-infrared shielding performance. Therefore, researchers have carried out a large number of experimental studies on the transparent heat insulation performance of CsxWO3 nano particles.
