Nano Cs0.33WO3, or nano grain size cesium tungsten bronze, may be applied for preparing a transparent thermal insulation paper. In fact, the obtained thin paper can be said to be an environmentally friendly heat-insulating film, which is more and more widely used in building glass. According to experts, they prepared the raw material cesium tungsten bronze nano particles by high-temperature solid-phase reaction method, and studied its transmission spectrum.
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The results show that the thermal-insulating film of nano particle size cesium tungsten bronze has strong absorption of near-infrared light. And it will not affect visible light. And it is proposed for the first time that nano Cs0.33WO3 particles have excellent near-infrared shielding performance. In a word, the cesium tungsten bronze nanoparticles are added as a dingal material to the coating to prepare a transparent heat-insulating coating, which can achieve high visible light transmittance and near-infrared shielding rate. Also, it has good heat insulation effect.
