Fullerenes i small carbon balls discovered in 1985 by

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Fullerenes I Small carbon “balls” discovered in 1985 by Curl, Kroto and Smalley (Nobel Prize 1996) I Many different fullerenes, of which the most common is C 60 I Made of hexagons and pentagons I Lots of molecules in this family (C 70 , C 76 , C 78 , . . . ), including some smaller than C 60 I Can put stuff inside the cavity to alter electrical or other material properties
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Carbon nanotubes I Essentially, a rolled-up graphite sheet 53/Types_of_Carbon_Nanotubes.png I Incredibly strong material I Tensile strength over 50 times larger than that of high-carbon steel I Can put things inside the nanotubes, including other nanotubes http: //
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Oxides of carbon I There are two oxides of carbon, CO 2 and CO. I CO 2 is obtained when carbon compounds are burned in an excess of oxygen. I CO is an incomplete combustion product which can be obtained due to oxygen limitation or to kinetic factors. I Formal charges in CO and CO 2 I SiO 2 on the other hand is a network solid.
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