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Pressure polymerized C60: Raman and NMR studies
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
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1996 (English)In: Fullerenes and Fullerene Nanostructures: Proceedings of the International Winterschool on Electronic Properties of Novel Materials, Kirchberg, Tyrol, Austria 1996, Singapore: World Scientific , 1996, 344-348 p.Conference paper, Published paper (Refereed)
Abstract [en]

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.

Place, publisher, year, edition, pages
Singapore: World Scientific , 1996. 344-348 p.
Keyword [en]
Fullerenes, C60, high pressure synthesis, polymerization, structure, Raman spectroscopy, solubility, intermolecular bonds, magic angle spinning, nuclear magnetic resonance, MAS NMR
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-25890ISBN: 981-02-2853-8 (print)OAI: oai:DiVA.org:umu-25890DiVA: diva2:234680
Conference
Kirchberg, Tyrol, Austria 1996
Note

Editors:Hans Kuzmany, Jörg Fink, Michael Mehring and Siegmar Roth

Available from: 2009-09-10 Created: 2009-09-10 Last updated: 2013-06-14Bibliographically approved

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Jacobsson, PerPersson, Per-AxelSundqvist, BertilEdlund, UlfJohnels, Dan

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