Yellow tungsten oxide nanopowder may be used for the preparation of window heat insulation film, which is mainly applied in buildings and automobiles with high thermal insulation performance. And it can also play a significant role in privacy protection and beauty. Those outdoors cannot see the indoor scene, while the view is clear and natural if you look out from the room. Certainly, you should take the self-cleaning properties of building glass into account. In other words, the self-cleaning properties of the superhydrophobic yellow tungsten oxide coating need to be tested.
The self-cleaning performance of the yellow tungsten oxide coating was tested mainly by the antifouling test and the dust removal test. In the antifouling test, the water droplets previously dyed with methyl blue were directly dropped onto the surface of the superhydrophobic yellow tungsten oxide coating to impact the surface of the sample. In the dust removal test, the graphite powder was used as dust and was scattered on the surface of superhydrophobic yellow tungsten oxide coating, and then slowly drop the water droplets on the surface.
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