The surface structure of black silicon is similar to the surface of the wings of the Wandering Dragonfly
The spiky surface of black silicon shred certain types of bacteria, offering the potential of new antibacterial surfaces
Originally discovered by accident in the 1980s, black silicon is silicon with a surface that has been modified to feature nanoscale spike structures which give the material very low reflectivity. Researchers have now found that these spikes can also destroy a wide range of bacteria, potentially paving the way for a new generation of antibacterial surfaces.
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