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High pressure and high temperature induced polymerization of doped C60 materials
Umeå University, Faculty of Science and Technology, Department of Physics.ORCID iD: 0000-0003-0462-6206
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2016 (English)In: Carbon, ISSN 0008-6223, E-ISSN 1873-3891, Vol. 109, 269-275 p.Article in journal (Refereed) Published
Abstract [en]

Several metastable doped C60 polymers are synthesized under high pressure and high temperature (1.5GPa, 573K and 2GPa, 700K, respectively), using C60/ferrocene (Fc, Fe(C5H5)2), C60/Ni(OEP) and C60/AgNO3 as starting materials. Raman and IR spectroscopy are used to study the polymerization of these samples after HPHT treatment. It is found that the polymerization degree is always lower than that of pure C60 treated at same conditions, which is attributed to the space limitation by the dopants. We also find that even at same conditions, the three doped materials form different polymeric phases of the doped materials. This is attributed to the unique initial lattice structures and the different degrees of spatial confinement provided by the dopants.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 109, 269-275 p.
Keyword [en]
Fullerenes, doped fullerenes, solvate, C60, ferrocene, Fe(C5H5)2, AgNO3, Raman spectroscopy, phase transition, polymerization, IR spectroscopy, high pressure, high temperature
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-128102DOI: 10.1016/j.carbon.2016.08.019ISI: 000385900100031OAI: diva2:1049042
Available from: 2016-11-23 Created: 2016-11-23 Last updated: 2016-12-06Bibliographically approved

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The full text will be freely available from 2018-11-30 10:41
Available from 2018-11-30 10:41

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Sundqvist, Bertil
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