Persistence length of multiwalled carbon nanotubes with static bending

Heon Sang Lee, Chang Hun Yun, Heon Mo Kim, Cheol Jin Lee

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

Persistence length of multiwalled carbon nanotubes (MWCNTs) is studied using three-dimensional analysis of MWCNT individual particles, employing scanning electron microscopy with various view angles and a capillary viscometer. The root-mean-squared end-to-end distance of MWCNTs follows random-coil scaling in spite of their static bending points. The static bending persistence length (lsp) of the MWCNTs is estimated to be 271 nm. The intrinsic viscosity of the MWCNTs follows the wormlike coil model when the dynamic bending persistence length (lp) is replaced by the static bending persistence length (lsp).

Original languageEnglish
Pages (from-to)18882-18887
Number of pages6
JournalJournal of Physical Chemistry C
Volume111
Issue number51
DOIs
Publication statusPublished - 2007 Dec 27

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Multiwalled carbon nanotubes (MWCN)
carbon nanotubes
coils
viscometers
Viscometers
dimensional analysis
Viscosity
viscosity
scaling
Scanning electron microscopy
scanning electron microscopy

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Persistence length of multiwalled carbon nanotubes with static bending. / Lee, Heon Sang; Yun, Chang Hun; Kim, Heon Mo; Lee, Cheol Jin.

In: Journal of Physical Chemistry C, Vol. 111, No. 51, 27.12.2007, p. 18882-18887.

Research output: Contribution to journalArticle

Lee, Heon Sang ; Yun, Chang Hun ; Kim, Heon Mo ; Lee, Cheol Jin. / Persistence length of multiwalled carbon nanotubes with static bending. In: Journal of Physical Chemistry C. 2007 ; Vol. 111, No. 51. pp. 18882-18887.
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