Graphene 'invisible' to water: How the extreme thinness of graphene enables near-perfect wetting transparency
Graphene is the thinnest material known to science. The nanomaterial is so thin, in fact, water often doesn’t even know it’s there. Engineering researchers coated pieces of gold, copper, and silicon with a single layer of graphene, and then placed a drop of water on the coated surfaces. Surprisingly, the layer of graphene proved to have virtually no impact on the manner in which water spreads on the surfaces.
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