Cesium tungsten bronze is optimum functional material for preparing nano heat insulating film with the characteristics of high transparency and environmental protection. The low-temperature superconducting properties and low resistivity properties of cesium tungsten bronze have been reported for a long time, but the research on optical properties started late. In 1997, some experts prepared MxWO3 (M=K, Rb, Cs) tungsten bronze crystals by gas phase chemical transfer method, and studied the reflection spectra of various tungsten bronzes. The reflection spectrum showed MxWO3 (M=K, Rb, Cs) tungsten bronze has a high reflectivity in the near-infrared region, that is, it has thermal insulation properties.

Cesium tungsten bronze, a type of environmentally friendly functional material, is regarded as the best raw material for the preparation of nano heat insulating coating currently. Among them, the obtained coating is highly transparent heat insulation glass coating. You know, the glass coating industry originated in the late 1990s. It appeared as there is demand for energy conservation in China.

Cesium tungsten bronze has photochromic properties and electrochromic properties. In addition, it also has an important property --- selective transmission of spectrum, such as near-infrared shielding properties, so it is often used to prepare a new type of explosion-proof heat insulation coating, which is environmental friendly for applying to energy saving reconstruction of building.

Cesium tungsten bronze for producing heat-insulating anti-explosion coating has high light absorption performance in the near-infrared region. Specifically, the expert obtained cesium tungsten bronze powder by a preparation method in which the obtained powder had an absorbance at a wavelength of 928 nm in the near-infrared region of 1.41 and a minimum absorbance at a wavelength of 437 nm.

Cesium tungsten bronze for preparing French window thermal insulating film is a tungsten bronze type functional compound, which can be prepared by hydrothermal method --- an important method in the solvent chemical reduction method. Among them, the low temperature hydrothermal method is commonly used as it is simple and practical. However, experts said that low-temperature hydrothermal synthesis of tungsten bronze must solve two problems.

Cesium tungsten bronze, CsxWO3, can achieve more than 90% infrared absorption at 950nm, and the visible light transmittance at 550nm is over 70%. Therefore, it can be used to prepare a new type of environmentally friendly glass dome thermal insulating film. But do you know how to prepare such a CsxWO3 film?

Cesium tungsten bronze for preparing office thermal insulating film is a type of MxWO3 tungsten bronze with a chemical formula of CsxWO3. What are the structures of MxWO3 tungsten bronze? Generally, the structures of MxWO3 type tungsten bronze are cubic structure (PTB), tetragonal structure (TTB), symbiotic structure (ITB) and hexagonal structure (HTB).

Cesium tungsten bronze for preparing dining room thermal insulating film is a type of tungsten bronze material, which can be prepared by a conventional preparation method such as a solvent chemical reduction method. So, what is the solvent chemical reduction method?

Cesium tungsten bronze is regarded as the optimal material for the manufacture of study thermal insulating film, and the prepared film is an environmentally-friendly and energy-saving material with high transparency of 85%, while shielding more than 85% of solar heat radiation and 99% of UV radiation. Also, it reduces noise pollution to some extent.

Cesium tungsten bronze has high light absorption properties in the near-infrared region, so it is the best material for preparing kitchen thermal insulating film. And such smart heat insulating material makes the prepared heat insulation film have excellent near-infrared shielding performance. Specifically, the cesium tungsten bronze powder has the lowest absorbance at a wavelength of 449 nm of visible light of 0.73, and has the highest absorbance at a wavelength of 1100 nm in the near-infrared region of 1.46. The cesium tungsten bronze powder with the above parameters is prepared by the following preparation method.