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Coronene Encapsulat...
Coronene Encapsulation in Single-Walled Carbon Nanotubes : Stacked Columns, Peapods, and Nanoribbons
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Anoshkin, Ilya (författare)
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- Talyzin, Alexandr, 1969- (författare)
- Umeå universitet,Institutionen för fysik
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Nasibulin, Nasibulin (författare)
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Krasheninnikov, Arkady (författare)
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Jiang, Hua (författare)
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Nieminen, Risto (författare)
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Kauppinen, Esko (författare)
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(creator_code:org_t)
- 2014-04-11
- 2014
- Engelska.
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Ingår i: ChemPhysChem. - : Wiley. - 1439-4235 .- 1439-7641. ; 15:8, s. 1660-1665
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Encapsulation of coronene inside single-walled carbon nanotubes (SWNTs) was studied under various conditions. Under high vacuum, two main types of molecular encapsulation were observed by using transmission electron microscopy: coronene dimers and molecular stacking columns perpendicular or tilted (45-608) with regard to the axis of the SWNTs. A relatively small number of short nanoribbons or polymerized coronene molecular chains were observed. However, experiments performed under an argon atmosphere (0.17 MPa) revealed reactions between the coronene molecules and the formation of hydrogen-terminated graphene nanoribbons. It was also observed that the morphology of the encapsulated products depend on the diameter of the SWNTs. The experimental results are explained by using density functional theory calculations through the energies of the coronene molecules inside the SWNTs, which depend on the orientation of the molecules and the diameter of the tubes.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- coronene
- encapsulation
- graphene
- nanoribbons
- nanotubes
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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