Nano Archive

Radiation-induced synthesis of fullerene-silica hybrid nanomaterials

Cataldo, Franco and Angelini, Giancarlo and Lilla, Edo and Ursini, Ornella (2007) Radiation-induced synthesis of fullerene-silica hybrid nanomaterials. FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES, 15 (6). pp. 445-463.

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C-60 fullerene has been radiation grafted on bare and functionalized silica surface with mercaptopropyl moieties in toluene solution. The resulting fullerene-silica hybrid nanomaterials have been characterized by FT-IR and solid state C-13 CP-MAS NMR spectroscopy and compared to the radiolysis products of C-60 in toluene. It has been found that fullerene is grafted on silica surface but, because the radiation grafting has been conducted in toluene, fullerene results arylated from radicals derived from toluene radiolysis. The fullerene-silica hybrid nanomaterials cannot be extracted by warm decalin, demonstrating that the fullerene cage is chemically bonded on the silica surface. The thermal behavior of fullerene-silica hybrid nanomaterials has been studied by thermogravimetric analysis (TGA) and differential thermal analysis (DTA) in air flow.

Item Type:Article
Uncontrolled Keywords:nanomaterials; hybrid materials; fullerene; silica; radiation grafting; arylation
Subjects:Material Science > Functional and hybrid materials
Material Science > Nanofabrication processes and tools
Physical Science > Nano objects
ID Code:2891
Deposited By:Farnush Anwar
Deposited On:12 Jan 2009 10:50
Last Modified:12 Jan 2009 10:50

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