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Confined adamantane molecules assembled to one dimension in carbon nanotubes
Umeå University, Faculty of Science and Technology, Department of Physics. (nanostructured carbon)
Umeå University, Faculty of Science and Technology, Department of Physics. (nanostructured carbon)
Umeå University, Faculty of Science and Technology, Department of Physics. (nanostructured carbon)
Umeå University, Faculty of Science and Technology, Department of Physics. (nanostructured carbon)
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2011 (English)In: Carbon, ISSN 0008-6223, E-ISSN 1873-3891, Vol. 49, no 4, 1159-1166 p.Article in journal (Refereed) Published
Abstract [en]

We have encapsulated adamantane (C10H16) in single- and multi-walled carbon nanotubes. Adamantane is a high symmetry cage like molecule with point group symmetry Td and can be considered as a hydrogen-terminated diamond fragment. We confirmed and identified the successful filling by high resolution transmission electron microscopy, 13C nuclear magnetic resonance, infrared and Raman spectroscopy. 13C nuclear magnetic resonance of the adamantane filled nanotubes reveals that the adamantane molecules stop rotating after encapsulation. A blue-shift of the Raman active radial breathing modes of the carbon nanotubes supports this and suggests a significant interaction between encapsulated adamantane molecules and the single wall nanotubes. The encapsulated adamantane molecules exhibit red shifted infrared C–H vibration modes which we assign to a slight elongation of the C–H bonds. We observe both a nanotube diameter dependence of the adamantane filling ratio and a release rate of adamantane from the CNTs that depends on the CNT diameters.

Place, publisher, year, edition, pages
Elsevier , 2011. Vol. 49, no 4, 1159-1166 p.
Keyword [en]
carbon nanotubes, adamantane, filled carbon nanotubes, spectroscopy, synthesis, carbon nanostructures
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-39634DOI: 10.1016/j.carbon.2010.11.031OAI: oai:DiVA.org:umu-39634DiVA: diva2:394561
Funder
Swedish Research Council, 2010-3973
Available from: 2011-02-09 Created: 2011-02-03 Last updated: 2017-12-11Bibliographically approved

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Publisher's full texthttp://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6TWD-51J36DM-3-G&_cdi=5560&_user=651667&_pii=S0008622310008390&_origin=browse&_coverDate=04%2F30%2F2011&_sk=999509995&view=c&wchp=dGLbVzz-zSkWb&md5=ff687d58410580c8aacd547358b22691&ie=/sdarticle.pdf

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Yao, MingguangNitze, FlorianWågberg, Thomas

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Yao, MingguangStenmark, PatrikAbou-Hamad, EdyNitze, FlorianWågberg, Thomas
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CiteExportLink to record
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