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Dissociation energy of 3D-polymeric C60: Calorimetric study and structural analysis
Umeå University, Faculty of Science and Technology, Applied Physics and Electronics.
Umeå University, Faculty of Science and Technology, Physics.
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2001 (English)In: Electronic Properties of Novel Materials - Science and Technology of Molecular Nanostructures: Proceedings of the XV International Winter School on Electronic Properties of Novel Materials, Kirchberg 2001, Melville, NY: American Institute of Physics , 2001, 49-53 p.Conference paper (Refereed)
Abstract [en]

Annealing of 2D- and 3D-polymeric C[sub60] fullerene obtained under pressures of 9.5 and 12.5 GPa and temperatures of 670 and 770 K has been investigated by DSC in the range 240–640 K. An endothermal heat effect was observed with a peak maximum just below 540 K, a temperature characteristic for breakdown of (2+2) intermolecular links in dimers, 1D and 2D polymers. Exothermal effects, starting from 380 K, were observed for the first time in polymeric fullerenes. These effects are attributed to relaxation processes and to breakdown of other types of intermolecular bonds such as common four-sided rings and (3+3) interlinks.

Place, publisher, year, edition, pages
Melville, NY: American Institute of Physics , 2001. 49-53 p.
, AIP Conference Proceedings, ISSN 0094-243X ; 591
Keyword [en]
Fullerenes, C60, high pressure synthesis, polymers, 3D polymers, polymerization, thermal analysis, differential scanning calorimetry, DSC, X-ray diffraction, XRD, structural analysis
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-22202ISBN: 0-7354-0033-4OAI: diva2:213650
Editors: Hans Kuzmany, Jörg Fink, Michael Mehring and Siegmar Roth.Available from: 2009-04-28 Created: 2009-04-28 Last updated: 2010-01-21

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