Wavefront velocity oscillations of carbon-nanotube-guided thermopower waves

Nanoscale alternating current sources

Joel T. Abrahamson, Wonjoon Choi, Nicole S. Schonenbach, Jungsik Park, Jae Hee Han, Michael P. Walsh, Kourosh Kalantar-Zadeh, Michael S. Strano

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The nonlinear coupling between exothermic chemical reactions and a nanowire or nanotube with large axial heat conduction results in a self-propagating thermal wave guided along the nanoconduit. The resulting reaction wave induces a concomitant thermopower wave of high power density (>7 kW/kg), resulting in an electrical current along the same direction. We develop the theory of such waves and analyze them experimentally, showing that for certain values of the chemical reaction kinetics and thermal parameters, oscillating wavefront velocities are possible. We demonstrate such oscillations experimentally using a cyclotrimethylene-trinitramine/multiwalled carbon nanotube system, which produces frequencies in the range of 400 to 5000 Hz. The propagation velocity oscillations and the frequency dispersion are well-described by Fourier's law with an Arrhenius source term accounting for reaction and a linear heat exchange with the nanotube scaffold. The frequencies are in agreement with oscillations in the voltage generated by the reaction. These thermopower oscillations may enable new types of nanoscale power and signal processing sources.

Original languageEnglish
Pages (from-to)367-375
Number of pages9
JournalACS Nano
Volume5
Issue number1
DOIs
Publication statusPublished - 2011 Jan 25
Externally publishedYes

Fingerprint

Carbon Nanotubes
Thermoelectric power
Wavefronts
Carbon nanotubes
alternating current
carbon nanotubes
Nanotubes
oscillations
Chemical reactions
chemical reactions
nanotubes
reaction kinetics
Guided electromagnetic wave propagation
Multiwalled carbon nanotubes (MWCN)
Fourier law
Heat conduction
Scaffolds
Reaction kinetics
RDX
Nanowires

Keywords

  • Carbon nanotubes
  • Cyclotrimethylene-trinitramine
  • Energy storage
  • Oscillation
  • Power source
  • Reaction diffusion
  • Thermopower

ASJC Scopus subject areas

  • Engineering(all)
  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

Abrahamson, J. T., Choi, W., Schonenbach, N. S., Park, J., Han, J. H., Walsh, M. P., ... Strano, M. S. (2011). Wavefront velocity oscillations of carbon-nanotube-guided thermopower waves: Nanoscale alternating current sources. ACS Nano, 5(1), 367-375. https://doi.org/10.1021/nn101618y

Wavefront velocity oscillations of carbon-nanotube-guided thermopower waves : Nanoscale alternating current sources. / Abrahamson, Joel T.; Choi, Wonjoon; Schonenbach, Nicole S.; Park, Jungsik; Han, Jae Hee; Walsh, Michael P.; Kalantar-Zadeh, Kourosh; Strano, Michael S.

In: ACS Nano, Vol. 5, No. 1, 25.01.2011, p. 367-375.

Research output: Contribution to journalArticle

Abrahamson, JT, Choi, W, Schonenbach, NS, Park, J, Han, JH, Walsh, MP, Kalantar-Zadeh, K & Strano, MS 2011, 'Wavefront velocity oscillations of carbon-nanotube-guided thermopower waves: Nanoscale alternating current sources', ACS Nano, vol. 5, no. 1, pp. 367-375. https://doi.org/10.1021/nn101618y
Abrahamson, Joel T. ; Choi, Wonjoon ; Schonenbach, Nicole S. ; Park, Jungsik ; Han, Jae Hee ; Walsh, Michael P. ; Kalantar-Zadeh, Kourosh ; Strano, Michael S. / Wavefront velocity oscillations of carbon-nanotube-guided thermopower waves : Nanoscale alternating current sources. In: ACS Nano. 2011 ; Vol. 5, No. 1. pp. 367-375.
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