Blue tungsten oxide nanopowder may be used to prepare heat-insulating glass window film, which is widely used in many heat insulation fields, such as offices, exhibition halls, indoor pools, sunlight rooms, hotels, automobiles, and so on. The application of blue tungsten oxide powder in the field of heat insulation will be gradually promoted with the upgrading of future preparation technology of heat insulation material of blue tungsten oxide and the improvement of people's living standards.
Therefore, some researchers have observed the blue tungsten oxide powder by scanning electron microscopy to observe the surface morphology of the blue tungsten oxide powder, so as to better understand the blue tungsten oxide powder. From the results of scanning electron microscopy, the blue tungsten oxide powder is polymerized from many particles, and there are many irregular cracks distributed on the powder, as shown in the above image --- SEM image of blue tungsten oxide.
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