Cesium tungsten bronze is a kind of transparent thermal insulation material. It can solve the urgent problems that building energy efficiency needs to solve now. One of the most urgent problems is high energy consumption due to high utilization rate of air conditioning in hot summer as it is necessary to lower indoor temperature. Solar radiation provides energy for every life activity on earth. The solar radiation includes ultraviolet light, visible light, and near-infrared light. The visible and near-infrared regions…

Cesium tungsten bronze nano powder is a kind of transparent thermal insulation material, which is a material for preparing transparent thermal insulation coating. Such coating plays a very significant role in the reduction of building energy consumption, energy saving and environmental protection. On the road of sustainable development, this type of transparent thermal insulation coating is bound to receive more and more attention. In other words, cesium tungsten bronze nano powder will also get more and more attention. At present,…

CsxWO3 is a kind of transparent thermal insulation material. As an energy-saving material, it has very wide application prospects in the fields of architectural glass and automotive glass. The figure above shows the “Heat Insulation Curve of Glass Coated with CsxWO3 Film”. As can be seen from the figure, there is significant difference in heating rate between glasses coated with CsxWO3 films of different Cs content and blank uncoated glasses. The heating rate of CsxWO3 coated glasses with different Cs…

Cesium tungsten bronze powder (Cs0.33WO3) is a transparent thermal insulation material that has the performance of absorbing ultraviolet light and near-infrared light in the sunlight. The grain size of the cesium tungsten bronze powder affects the performance of heat insulation material of cesium tungsten bronze. The smaller the grain size of Cs0.33WO3 powder is, the stronger the light selective absorption ability is. Cs0.33WO3 may be prepared using different methods, such as, solvothermal method, and solid phase method, etc. The solvothermal…

Nano cesium tungstate is a kind of transparent thermal insulation material, which has high extinction coefficient in the near-infrared region and has little effect on transmission of visible light. And it can be prepared by hot plasma method. Preparation of Nano Cesium Tungstate by Hot Plasma Method The ammonium paratungstate (APT) and the alkali metal (Cs) salt were mixed with solid phase interaction, and CsxWO3 was synthesized in Ar and H2 atmosphere using plasma as heat source. The reaction formula…

Cesium tungstate (Cs0.33WO3) is a type of transparent thermal insulation material that has been developed in recent years. The Cs0.33WO3 nanopowder not only has strong shielding performance in the near-infrared region and ultraviolet region, but also has high transmission characteristics in the visible region. Preparation of Cesium Tungstate by Chemical Vapor Transport Method Tungstate and halogen compounds (Cs compounds) were synthesized through chemical transporting at different temperatures into a special structure of CsxWO3. Then, its optical properties were investigated at…

Nano cesium tungsten bronze powder is a kind of transparent thermal insulation material, which is mainly applied in the form of thin film on heat insulation glass, such as, auto glass, and building glass, etc. Nano cesium tungsten bronze powder may be prepared by hydrothermal method. By hydrothermal reaction, using cesium carbonate as a source of cerium and tungstic acid sol as a source of tungsten, nano grain size cesium tungsten bronze is obtained with high absorbance of 1.96 for…

Cesium tungsten oxide is a choice of transparent thermal insulation nanopowder. Sample Characterization of Cesium Tungsten Oxide 1. X-ray diffractometer (XRD) was used to identify the crystal structure of cesium tungsten oxide nanopowder. 2. Scanning electron microscope (SEM) and transmission electron microscope (TEM) were used to observe the morphology of cesium tungsten oxide powder. 3. Laser particle sizer was used to analyze particle size distribution of the powder. 4. The ultraviolet-visible spectrophotometer was used to characterize the near-infrared shielding performance…

CsxWO3, Cs-doped tungsten bronze, is a kind of transparent thermal insulation nanopowder. The Cs-doped tungsten bronze is usually a type of low resistivity material, in which there are generally a large number of free carriers, so that it has strong absorption on free carriers. And the absorption coefficient of free carrier (α) has a positive relationship with free carrier concentration and square of wavelength of absorbed light. Therefore, when the content of cerium (Cs) in Cs-doped tungsten bronze increases, the…

One type of transparent thermal insulation nanopowder is cesium tungstate. The cesium tungstate nanopowder is an inorganic nanopowder that has the best absorption capability in the near infrared rays so that it has wide applications in many fields such as construction and industry. There are many ways preparing nano-powders, which can be roughly divided into solid phase method, vapor phase method and liquid phase method. Some are synthesized by two or more methods. However, there are not many methods for…