Cs0.32WO3, also known as cesium tungsten bronze or cesium tungstate, is a near-infrared shielding material that can be made into a new high-tech product - heat shielding material, such as heat insulation film or heat insulation coating.
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According to the experts, Cs0.32WO3 nano powder can be synthesized by solvothermal method and modified by hydrothermal treatment at lower temperature of 190 °C to improve the near-infrared shielding performance and visible light transmittance of Cs0.32WO3 nano particles. Also, the experts introduced that the crystal structure and morphology of Cs0.32WO3 particles changed little under the condition of acetic acid and HF existence at lower temperature (190 °C). In addition, Cs0.32WO3 particles prepared via hydrothermal treatment has the advantages of being smaller and uniform compared with the reduction heat treatment at higher temperature under H2 atmosphere, which is favorable for improving the dispersion in the coating and transparent heat insulation performance of particles.
