Thermal conductivity of carbon nanocoils

Junhua Zhao, Jianyang Wu, Jin Wu Jiang, Lixin Lu, Zhiliang Zhang, Timon Rabczuk

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The extreme reduction of the thermal conductivity by defects and folds in carbon nanocoils (CNCs) are first demonstrated using nonequilibrium molecular dynamics simulations. The thermal conductivity for two different defect types with five different folds in the CNCs is extensively studied and the maximum reduction can be up to 70% at both room temperature and 600 K by comparison of the corresponding straight single-walled carbon nanotubes. We reveal that the phonon scattering by coupled defects and folds can govern the reduction of the thermal conductivity by calculating phonon polarization vectors.

Original languageEnglish
Article number233511
JournalApplied Physics Letters
Volume103
Issue number23
DOIs
Publication statusPublished - 2013 Dec 2

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thermal conductivity
carbon
defects
carbon nanotubes
molecular dynamics
room temperature
polarization
scattering
simulation

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Zhao, J., Wu, J., Jiang, J. W., Lu, L., Zhang, Z., & Rabczuk, T. (2013). Thermal conductivity of carbon nanocoils. Applied Physics Letters, 103(23), [233511]. https://doi.org/10.1063/1.4839396

Thermal conductivity of carbon nanocoils. / Zhao, Junhua; Wu, Jianyang; Jiang, Jin Wu; Lu, Lixin; Zhang, Zhiliang; Rabczuk, Timon.

In: Applied Physics Letters, Vol. 103, No. 23, 233511, 02.12.2013.

Research output: Contribution to journalArticle

Zhao, J, Wu, J, Jiang, JW, Lu, L, Zhang, Z & Rabczuk, T 2013, 'Thermal conductivity of carbon nanocoils', Applied Physics Letters, vol. 103, no. 23, 233511. https://doi.org/10.1063/1.4839396
Zhao J, Wu J, Jiang JW, Lu L, Zhang Z, Rabczuk T. Thermal conductivity of carbon nanocoils. Applied Physics Letters. 2013 Dec 2;103(23). 233511. https://doi.org/10.1063/1.4839396
Zhao, Junhua ; Wu, Jianyang ; Jiang, Jin Wu ; Lu, Lixin ; Zhang, Zhiliang ; Rabczuk, Timon. / Thermal conductivity of carbon nanocoils. In: Applied Physics Letters. 2013 ; Vol. 103, No. 23.
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