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Pressure polymerized C60 : Raman and NMR studies
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- Soldatov, Alexander (author)
- Umeå universitet,Institutionen för fysik
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- Jacobsson, Per (author)
- Umeå universitet,Institutionen för fysik
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- Persson, Per-Axel (author)
- Umeå universitet,Institutionen för fysik
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- Singapore : World Scientific, 1996
- 1996
- English.
- In: Fullerenes and Fullerene Nanostructures. - Singapore : World Scientific. - 9810228538 ; , s. 344-348
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- The properties of bulk C60 have been studied after treatment at 1.1 GPa and 550-585 K. The treated material is insoluble in both toluene and 1,2-dichlorobenzene. Raman spectroscopy on modified aterial shows a large number of new lines, and the Raman pentagon pinch mode (Ag2) shifts from 1469 to 1458 /cm as on photopolymerization. MAS NMR shows one broadened line at the original C60 shift 144 ppm and a small peak at about 77 ppm due to the bridging carbons. The results verify previous suggested polymeric structures where the fullerene cages are connected by four-membered rings.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Fullerenes
- C60
- high pressure synthesis
- polymerization
- structure
- Raman spectroscopy
- solubility
- intermolecular bonds
- magic angle spinning
- nuclear magnetic resonance
- MAS NMR
- Condensed matter physics
- Kondenserade materiens fysik
- fysik
- Physics
Publication and Content Type
- ref (subject category)
- kon (subject category)
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