Nano CsxWO3 powder for near infrared shielding material can be prepared by hydrothermal method. In order to prepare cesium tungsten bronze transparent aqueous phase nano dispersion with good optical properties, it is necessary to investigate the preparation process conditions such as raw material concentration, doping ratio, mixing time and hydrothermal condition by using test and characterization methods to better know how these conditions affect the morphology of cesium tungsten bronze nano particles, the dispersion in water and the optical properties of the aqueous phase dispersion.
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Certainly, as you may have known, there are many methods for preparing cesium tungsten bronze nano particles, such as thermal reduction decomposition method, chemical vapor deposition method, hydrothermal method, and solvothermal method. However, the thermal reduction decomposition method and the chemical vapor deposition method require higher operating conditions and higher costs. The solvothermal method requires an organic solvent as a liquid medium, which is harmful to the environment. While the hydrothermal method is simple in operation, low in equipment requirements. More important, hydrothermal method has good control over particle morphology. Therefore, hydrothermal method is adopted to produce nano CsxWO3 particles.
