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Nature 447, 50-51 (3 May 2007) | doi:10.1038/447050a; Published online 2 May 2007
Materials science: Nanotubes see the light
Dirk M. Guldi1
Abstract
When it comes to having their conduction properties tweaked, carbon nanotubes are bothersome customers. One way to do it is to incorporate a photosensitive dye into the nanotubes' walls.
One of the great challenges of nanotechnology today is scaling electronic and mechanical devices down to atomic dimensions. A notably successful example has been the field-effect transistor (FET), in which a weak electric field is used to switch on and off a flow of electricity in a nearby semiconductor material.
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