Cesium doped tungsten oxide nanopowder, which is an infrared barrier material, may be applied for preparing thermal insulation dispersion liquid. In recent years, such transparent dispersion liquid has been widely used in the field of architectural glass. At the same time, experts have also done in-depth research on the preparation of this new environmentally friendly heat-insulation material. They proposed the following preparation method of cesium doped tungsten oxide nano powder, which has the characteristics of low process energy consumption, low cost, easy operation and good environmental protection so that it is suitable for large-scale industrial production. The preparation process concludes the following steps:

Cesium doped tungsten oxide nanopowder may be applied for producing near infrared shielding material such as thermal insulation film, thermal insulation coating and thermal insulation dispersion. And these thermal insulation materials are widely used in the fields of building glass and car glass due to their good thermal insulation properties. Therefore, experts are paying more and more attention to this kind of environmentally friendly heat insulation materials. They proposed the following preparation method of cesium doped tungsten oxide nanopowder:

Cesium doped tungsten oxide nanopowder may be applied for producing infrared thermal insulation nano material, which has good effect of blocking infrared rays. In other words, such material has excellent heat insulation effect. The data shows that, in general, the heat insulation material of cesium doped tungsten oxide has an infrared blocking rate higher than 90%.

Cesium doped tungsten oxide nanopowder may be applied for producing infrared ultraviolet shielding material. The obtained material has good thermal insulation effect. The ultraviolet blocking rate is up to 99.9%, the visible light transmittance is up to 88%, and the infrared blocking rate is up to 99%. In this regard, experts say that the cesium doped tungsten oxide nano powder with the above properties can be prepared by the following steps: