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Transparent Thermal Insulation Material: Nano Tungsten Oxide

As a type of transparent thermal insulation material, nano tungsten oxide has the advantages of high heat insulation (infrared shielding rate of 60-99%, varying with the addition ratio) and high visible light transmittance (visible light transmittance of 50-80%). Tungsten oxide itself also has unique physical and chemical properties, such as high temperature resistance, high stability in the air, and so on. For example, tungsten trioxide will exhibit different crystal structures at different temperatures, and different crystal structures have different physical and chemical properties.transparent thermal insulation material nano tungsten oxide picture
Tungsten oxide also has a variety of crystal structures - orthogonal phase, hexagonal phase, monoclinic phase, cubic phase and tetragonal phase. And the formation of different phases of tungsten oxide is closely related to its preparation conditions. For instance, in the presence of Na+, K+ and NH4+ plasmas, the tungsten oxide of hexagonal phase is obtained. In addition, experimental conditions such as pH value and synthesis temperature will also affect the crystal structure of the final product.

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