Cesium tungstate is the optimum material for preparing near infrared shielding material as cesium tungstate nano particles (such as Cs0.33WO3) has the best near-infrared absorbing performance.
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According to the experts, the near infrared shielding material preparing from cesium tungstate nano powder can be heat insulation coating – an energy-saving product. And the coating is mainly applied to buildings and autos with high transparency and high heat shielding performance. It is reported that the near-infrared shielding performance of glass coated with Cs0.33WO3 coating film has been further improved after UV irradiation. And the glasses of Cs0.33WO3 coating film which was synthesized from the non-ethanol precursor solution exhibit most outstanding near-infrared shielding performance and best heat insulation effect. In comparison with the blank glass without Cs0.33WO3 coating film, the heat insulation temperature difference can achieve 10°C. It means that the window coating with cesium tungstate near infrared shielding material has excellent heat insulating performance.
