As a new type of functional material for producing near-infrared shielding material, CsxWO3-ZnO composite is designed to promote the practical applications of CsxWO3. You know, cesium tungsten bronze (CsxWO3) is a promising candidate for manufacturing near-infrared shielding materials on windows of buildings and automobiles. However, the near-infrared shielding ability of CsxWO3 easily deteriorates in hot humid and alkaline environments, which hinders further applications of CsxWO3.

Cs-doped tungsten bronze, or CsxWO3, is a near infrared shielding material with high near-infrared absorption. Mo-doped tungsten bronze, like CsxWO3, is also a material of high near-infrared absorbing property. That is because both Mo and W belong to VIB-sub-group, and possess similar ionic radii, electronegativity and oxide lattice configuration.

W18O49, or violet tungsten oxide, is well-known as a near-infrared absorber because of its excellent near-infrared absorption properties. So, there is no doubt that violet tungsten oxide is popular in the application of energy-saving windows to play a role of high heat insulation. In this regard, some experts have investigated the morphology-controlled synthesis and near-infrared absorption properties of W18O49 systematically for the application of innovative energy-saving windows.

Cs doped tungsten oxide nanoparticles, or CsxWO3 nanoparticles, are an important functional material for manufacturing coated glass. As CsxWO3 nanoparticles are more and more welcomed in the manufacture of coated glass, the preparation of CsxWO3 nanoparticles also attract much attention. It has been reported that hexagonal CsxWO3 nanoparticles can be fabricated by a newly developed simple two-step route.