Fundamental effects in nanoscale thermocapillary flow

Sung Hun Jin, Jizhou Song, Ha Uk Chung, Chenxi Zhang, Simon N. Dunham, Xu Xie, Frank Du, Tae Il Kim, Jong Ho Lee, Yonggang Huang, John A. Rogers*

*Corresponding author for this work

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

When implemented on the nanoscale, material flows driven by gradients in temperature, sometimes known as thermocapillary flows, can be exploited for various purposes, including nanopatterning, device fabrication, and purification of arrays of single walled carbon nanotubes (SWNTs). Systematic experimental and theoretical studies on thermocapillary flow in thin polymer films driven by heating in individual metallic SWNT over a range of conditions and molecular weights reveal the underlying physics of this process. The findings suggest that the zero-shear viscosity is a critical parameter that dominates the dependence on substrate temperature and heating power. The experimentally validated analytical models in this study allow assessment of sensitivity to other parameters, such as the temperature coefficient of surface tension, the thermal interface conductance, and the characteristic length scale of the heated zone.

Original languageEnglish (US)
Article number054315
JournalJournal of Applied Physics
Volume115
Issue number5
DOIs
StatePublished - Jan 1 2014

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carbon nanotubes
heating
purification
temperature
molecular weight
interfacial tension
viscosity
shear
gradients
fabrication
physics
sensitivity
polymers
coefficients

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Jin, S. H., Song, J., Chung, H. U., Zhang, C., Dunham, S. N., Xie, X., ... Rogers, J. A. (2014). Fundamental effects in nanoscale thermocapillary flow. Journal of Applied Physics, 115(5), [054315]. https://doi.org/10.1063/1.4864487
Jin, Sung Hun ; Song, Jizhou ; Chung, Ha Uk ; Zhang, Chenxi ; Dunham, Simon N. ; Xie, Xu ; Du, Frank ; Kim, Tae Il ; Lee, Jong Ho ; Huang, Yonggang ; Rogers, John A. / Fundamental effects in nanoscale thermocapillary flow. In: Journal of Applied Physics. 2014 ; Vol. 115, No. 5.
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Jin, SH, Song, J, Chung, HU, Zhang, C, Dunham, SN, Xie, X, Du, F, Kim, TI, Lee, JH, Huang, Y & Rogers, JA 2014, 'Fundamental effects in nanoscale thermocapillary flow', Journal of Applied Physics, vol. 115, no. 5, 054315. https://doi.org/10.1063/1.4864487

Fundamental effects in nanoscale thermocapillary flow. / Jin, Sung Hun; Song, Jizhou; Chung, Ha Uk; Zhang, Chenxi; Dunham, Simon N.; Xie, Xu; Du, Frank; Kim, Tae Il; Lee, Jong Ho; Huang, Yonggang; Rogers, John A.

In: Journal of Applied Physics, Vol. 115, No. 5, 054315, 01.01.2014.

Research output: Contribution to journalArticle

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Jin SH, Song J, Chung HU, Zhang C, Dunham SN, Xie X et al. Fundamental effects in nanoscale thermocapillary flow. Journal of Applied Physics. 2014 Jan 1;115(5). 054315. https://doi.org/10.1063/1.4864487