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  • Zou, Yonggang (author)

Raman spectroscopy study of carbon nanotube peapods excited by near-IR laser under high pressure

  • Article/chapterSwedish2007

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  • 2007
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:umu-17934
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-17934URI
  • https://doi.org/10.1103/PhysRevB.76.195417DOI

Supplementary language notes

  • Language:Swedish
  • Summary in:Swedish

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Selected for Virtual Journal of Nanoscale Science and Technology, volume 16, issue 22, 26th November 2007.
  • A resonant Raman spectroscopy study has been carried out under high pressure, using a diamond anvil cell,on carbon nanotube peapods (C60@SWNT) synthesized in high yield in our laboratory. The Raman signal wasexcited by a near IR laser (830 nm) to avoid photopolymerization of C60 and thus obtain the intrinsic vibrationalinformation on the C60 molecules in the nanotubes. It is found that the surrounding tubes create aneffective pressure on the encapsulated C60 due to tube-fullerene interactions, resulting in a shift of the intrinsicAg(2) vibrational mode to 1474 cm−1 at ambient pressure. High pressure Raman spectroscopy indicates that(C60)2 dimers form near 1 GPa, and that a further polymerization of C60 occurs near 23 GPa, creating linearchains of covalently linked C60 molecules in the tubes.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Liu, Bingbing (author)
  • Yao, Mingguang (author)
  • Hou, Yuanyuan (author)
  • Wang, Lin (author)
  • Yu, Shidan (author)
  • Wang, Peng (author)
  • Li, Bing (author)
  • Zou, Bo (author)
  • Cui, Tian (author)
  • Zou, Guangtian (author)
  • Wågberg, ThomasUmeå universitet,Institutionen för fysik(Swepub:umu)thwa0002 (author)
  • Sundqvist, BertilUmeå universitet,Institutionen för fysik(Swepub:umu)besu0001 (author)
  • Umeå universitetInstitutionen för fysik (creator_code:org_t)

Related titles

  • In:Physical Review B76:19, s. 195417-0163-1829

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