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Fullerene whiskers are thin rods composed of fullerene molecules, such as C60, C70, or their mixtures. Hollow fullerene whiskers are called fullerene tubes. Such structures typically have a diameter of a few micrometers. When the diameter becomes smaller than 1 micron, the corresponding structures are called fullerene nanowhiskers or fullerene nanotubes.
Fullerene whiskers and tubes are held together by weak van der Waals forces, and hence are very soft. They can be grown by precipitation at an interface between two liquids. They are semiconductors and have potential uses in field-effect transistors, solar cells, chemical sensors, and photocatalysts. When doped with
Fullerene whiskers are thin rods composed of fullerene molecules, such as C60, C70, or their mixtures. Hollow fullerene whiskers are called fullerene tubes. Such structures typically have a diameter of a few micrometers. When the diameter becomes smaller than 1 micron, the corresponding structures are called fullerene nanowhiskers or fullerene nanotubes.
Fullerene whiskers and tubes are held together by weak van der Waals forces, and hence are very soft. They can be grown by precipitation at an interface between two liquids. They are semiconductors and have potential uses in field-effect transistors, solar cells, chemical sensors, and photocatalysts. When doped with alkali metal
The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K),The symbols Na and K for sodium and potassium are derived from their Latin names, ''natrium'' and ''kalium''; these are still the origins of the names ...
s, such as potassium, they become superconductors at .
As-grown fullerene nanotubes have hexagonal shapes and face-centered cubic crystal structures. Owing to their relatively large inner diameters (approx. 100 nm) and low reactivity they can accommodate a wide range of nanoparticles. C60 nanotubes decompose upon heating to in air.
References
{{DEFAULTSORT:Fullerene whiskers Allotropes of carbon Synthetic fibers Fullerenes