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Cesium tungsten bronze powder is a kind of infrared thermal insulation nano material. It is also a kind of tungsten bronze doped with alkali metal element (Cs). As a kind of infrared thermal insulation material, cesium tungsten bronze has the ability to selectively transmit light waves. Generally, it has high visible light transmittance and low near-infrared transmittance. It means that cesium tungsten bronze may shield the near-infrared light while guaranteeing good daylighting, thereby playing a role of transparent heat insulation.…

Nano cesium tungstate powder, with molecular formula of Cs2WO4, is a kind of infrared thermal insulation nano material that is applied on the architectural glass in the form of transparent heat insulation coating. Preparation of Nano Cesium Tungstate Powder Step one: Sodium tungstate and cesium carbonate are dissolved in citric acid solution and methanol solvent, after stirring, the reaction is performed at 180-200°C for 2~3 hours. Then, the mixed liquor of tungsten and cesium is obtained. n(CS)/n(W) = 0.33:1. Step…

Cesium tungstate, as a kind of infrared thermal insulation nano material, can be used on architectural glass with high transmittance. In order to reduce building energy consumption, energy-saving technology of building glass emerged as the times require. There are different ways to save energy. Convection, conduction and radiation are the ways that energy enters the room through windows. Therefore, according to these ways, energy efficient glass can be divided into the following types basically: 1. Combined building energy-saving glass such…

Cesium tungsten bronze nanopowder is a kind of infrared thermal insulation nano material, which can be applied in the form of transparent heat-insulating film for building energy efficiency. Energy on the earth comes from the sun’s radiation. Electromagnetic waves are the form of energy delivered by the sun. The “Energy Distribution of the Solar Spectrum” is shown in the figure below. As can be seen from the figure, in the total solar radiation energy, the ultraviolet with wavelength in the…

Cesium tungsten bronze powder is a type of infrared ultraviolet shielding material, which is the material of transparent thermal insulation coating. Energy is used almost everywhere in human’s life. And the major ones in energy consumption are building, agriculture, transportation and industry, among which building, which is closely related to human activities, accounts for a large proportion. Energy consumption in building includes the consumption of air conditioning in the summer. And most of the energy is lost through windows and…

Nano cesium tungstate powder (Cs2WO4) is a type of infrared ultraviolet shielding material developed in recent years, which may be prepared by ultrasonic chemical method. The obtained nano grain size cesium tungstate has the characteristics of small particle size, uniform dispersion, less agglomeration and high purity. Moreover, the ultrasonic chemical method is easy to operate with high efficiency. And this method has good reproducibility, which is conducive to industrialization. The nano cesium tungstate powder is suitable for heat/thermal insulation in…

Cesium tungstate is a type of infrared ultraviolet shielding material, which belongs to transparent dingal material. Cesium tungstate nanopowder has broad application prospect in many fields such as architectural window glass, auto window glass, and greenhouses as it has excellent near-infrared shielding performance and high transmission rate of visible light. At present, there are few studies on the preparation methods of nano cesium tungstate powder in China. There are just some preparation methods, such as solid phase method, liquid phase…

Cesium tungsten bronze nanopowder is a type of infrared ultraviolet shielding material, which is also a kind of tungsten bronze nano material. Other tungsten bronze materials, such as potassium tungsten bronze, also have excellent near-infrared shielding performance. The cesium tungsten bronze nanopowder can shield near-infrared rays while maintaining high transmittance of visible light. And therefore it is widely applied in the field of transparent heat insulation coatings. Studies have shown that tungsten bronze has strong selection to light transmission. At…

Cesium tungsten bronze nanopowder is a type of transparent thermal insulation material, which can be used on architectural glass and automobile glass to reduce energy consumption, and therefore achieve the targets of energy saving and environmental protection. Due to the characteristics of cesium tungsten bronze nanopowder, the transparent thermal insulation material has the advantages of high flexibility, high temperature resistance, high transmission and good resistance to water. Cesium tungsten bronze nanopowder is one of the materials for preparing transparent thermal…

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…