Nano grain size cesium tungsten oxide may be used to prepare near infrared shielding material such as transparent thermal insulation coating. Nowadays, we hope that the thermal insulation material has a high transmittance in the visible light region, and can absorb the near-infrared light greatly to shield the heat source, thereby reducing the room temperature. This requires that the material has a high spectral selection performance to achieve the purpose of cooling without consuming energy. In view of this, a highly efficient near-infrared shielding - thermal insulation coating has emerged, namely cesium tungsten bronze thermal insulation coating.
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Cesium tungsten bronze thermal insulation coating is expected to replace ATO, ITO thermal insulation coating. As you may have known, ATO and ITO nanomaterials have good shielding effect on the near-infrared spectrum in the range of more than 1500nm, but the main thermal energy range is 780-1400nm in the near-infrared spectrum. While indium in ITO is poisonous, which is harmful to human body in preparation and application. In addition, In2O3 in ITO is expensive and costly. Cesium tungsten bronze nanomaterials do not have the above disadvantages.
