Nano cesium tungsten bronze can be applied to manufacture sun room thermal insulating film for optimum performance. Such smart film retains good transparency in the visible region and strong absorption in the NIR region for applying to sum rooms where consist of many large area glasses.

Nano cesium tungsten bronze that can transmit visible light but shield near-infrared (NIR) light is regarded as the best functional nanomaterial for producing office building thermal insulating film. And such heat insulating film has drawn much attention for the application of innovative energy-saving windows due to its selective shielding performance of solar light.

Nano cesium tungsten bronze, or nano CsxWO3, is the optimal raw material for preparing sun room thermal insulating film that has superior performance over commercial ITO glass. The experts compared the transmittance and reflectance of CsxWO3 nanorods with those commercial ITO glasses. And it is found that the CsxWO3 synthesized from the water molecular controlled-release solvothermal process (WCRSP process) has superior performance over commercial ITO glass due to its stronger absorption properties both in NIR region and UV region.

Nano cesium tungsten bronze for preparing office building thermal insulating film is a type of mixed valence state hexagonal tungsten bronze material, which has been successfully synthesized by solution and possesses excellent near-infrared (NIR) shielding properties. Similarly, mixed valence state tungsten suboxide (violet tungsten oxide, W18O49) also possesses excellent NIR shielding properties, and the improvement of shielding property can be successfully realized by decreasing the particle size.

Nano cesium tungsten bronze for nano heat insulating film can be prepared by water molecular controlled-release solvothermal process (WCRSP process) --- a new facile method to synthesize CsxWO3 nanorods possessing excellent NIR shielding ability.

Nano cesium tungsten bronze is a new functional compound possessing strong absorption in the near-infrared region with a wavelength range of 800-1200 nm and high transmittance in the visible region with a wavelength range of 380-780 nm, so that it is regarded as the optimal choice to prepare a new environmentally friendly nano heat insulating coating.

Nano cesium tungsten bronze, or nano CsxWO3, has excellent NIR shielding properties so that it is regarded as the best raw material for producing explosion-proof heat insulation coating. It is well known that nanoparticles of noble metals, rare-earth hexaborides, tin-doped indium oxide (ITO), etc., can shield NIR light due to the effect of the plasma vibration of the free electrons. However, because of their low visible light transparency or limited cover range of wavelength, new IR responsive materials development is required.

Nano cesium tungsten bronze is a new type of functional materiel for preparing heat-insulating anti-explosion coating. The near infrared light (NIR), which is also called as heat ray, consisted of the wavelength in the range of 780-2500 nm and takes up to 50% of the energy of sunlight. Therefore, the development of heat-insulating coating with high transmittance of visible light and high absorptivity of NIR is of great significance from the considerations of energy conservation and environmental preservation.

Nano cesium tungsten bronze is an environmentally friendly nano material that has high purity, low degree of agglomeration and excellent near-infrared shielding properties, so it can be used to prepare glass dome thermal insulating film, thereby reducing light pollution, reducing energy consumption and improving living environment.

Nano cesium tungsten bronze is a new nanomaterial with excellent infrared absorption properties so that the exhibition hall thermal insulating film prepared using such functional material as raw material has high visible light transmittance of over 71% and low infrared light (800-2500nm) transmittance of 13.5%. Some experts prepared the cesium tungsten bronze nano powder by solvothermal process using tungstic acid and cesium sulfate as raw materials, and sorbitol as solvent at 350 °C.