Post on 27-Mar-2015
CARBONIOCARBONIOCARBONIOCARBONIO
Forme Allotropiche del CarbonioForme Allotropiche del Carbonio
Grafite
Diamante
Vi sono solo 2 forme pure di Carbonio…. O cosi’ si credeva
BuckminsterfullerenePremio Nobel 1996 per la Chimica
The accidental discovery of the third allotrope of The accidental discovery of the third allotrope of pure carbon was made in the laboratory of pure carbon was made in the laboratory of Professor Richard Smalley at Rice University. Professor Richard Smalley at Rice University. Rick Smalley was studying semiconductor Rick Smalley was studying semiconductor clusters using a novel laser vaporization clusters using a novel laser vaporization technique in combination with a molecular beam technique in combination with a molecular beam apparatus to form and study clusters.apparatus to form and study clusters.
The result was the observation of stable CThe result was the observation of stable C6060
clusters and the first postulation that the clusters and the first postulation that the structure of this compound was a truncated structure of this compound was a truncated icosahedron.icosahedron.
Named Buckminsterfullerene after the geodesic Named Buckminsterfullerene after the geodesic domes of Buckminster Fuller, Cdomes of Buckminster Fuller, C6060 and its and its
hundreds of derivatives have made fullerene hundreds of derivatives have made fullerene research a major subfield of chemistry.research a major subfield of chemistry.
Possible industrial applications include Possible industrial applications include superconductivity, optics, lubrication, superconductivity, optics, lubrication, electronics, catalysis, polymer chemistry, electronics, catalysis, polymer chemistry, ultrathin films of diamonds, and medical delivery ultrathin films of diamonds, and medical delivery systems.systems.
7/30/99
C60 -- Buckminster FullereneC60 -- Buckminster Fullerene
CC6060
CC6060
CC7070
Nanotubo
Diamante
Grafite C60
C70
Catena Lineare
Links
http://www.nobel.se/index.html
http://www.slb.com/seed/en/watch/fullerenes/begin.htm
http://www.susx.ac.uk/Users/kroto/FullereneCentre/