Aerosol jet printed, low voltage, electrolyte gated carbon nanotube ring oscillators with sub-5 μs stage delays

Mingjing Ha, Jung Woo T Seo, Pradyumna L. Prabhumirashi, Wei Zhang, Michael L. Geier, Michael J. Renn, Chris H. Kim, Mark C Hersam, C. Daniel Frisbie

Research output: Contribution to journalArticle

146 Citations (Scopus)

Abstract

A central challenge for printed electronics is to achieve high operating frequencies (short transistor switching times) at low supply biases compatible with thin film batteries. In this report, we demonstrate partially printed five-stage ring oscillators with >20 kHz operating frequencies and stage delays 2) ion gel electrolyte as the gate dielectric. All materials except the source and drain electrodes were aerosol jet printed. The TFTs exhibited high electron and hole mobilities (∼20 cm2/(V s)) and ON/OFF current ratios (up to 105). Inverter switching times t were systematically characterized as a function of transistor channel length and ionic conductivity of the gel dielectric, demonstrating that both the semiconductor and the ion gel play a role in switching speed. Quantitative scaling analysis suggests that with suitable optimization low voltage, printed ion gel gated CNT inverters could operate at frequencies on the order of 1 MHz.

Original languageEnglish
Pages (from-to)954-960
Number of pages7
JournalNano Letters
Volume13
Issue number3
DOIs
Publication statusPublished - Mar 13 2013

Fingerprint

Carbon Nanotubes
Aerosols
low voltage
Electrolytes
Carbon nanotubes
aerosols
Gels
carbon nanotubes
oscillators
electrolytes
gels
rings
Electric potential
Ions
Transistors
transistors
inverters
ions
Hole mobility
Electron mobility

Keywords

  • carbon nanotubes
  • delay time
  • ion conductivity
  • ion gel
  • Printed electronics
  • ring oscillator

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Ha, M., Seo, J. W. T., Prabhumirashi, P. L., Zhang, W., Geier, M. L., Renn, M. J., ... Frisbie, C. D. (2013). Aerosol jet printed, low voltage, electrolyte gated carbon nanotube ring oscillators with sub-5 μs stage delays. Nano Letters, 13(3), 954-960. https://doi.org/10.1021/nl3038773

Aerosol jet printed, low voltage, electrolyte gated carbon nanotube ring oscillators with sub-5 μs stage delays. / Ha, Mingjing; Seo, Jung Woo T; Prabhumirashi, Pradyumna L.; Zhang, Wei; Geier, Michael L.; Renn, Michael J.; Kim, Chris H.; Hersam, Mark C; Frisbie, C. Daniel.

In: Nano Letters, Vol. 13, No. 3, 13.03.2013, p. 954-960.

Research output: Contribution to journalArticle

Ha, M, Seo, JWT, Prabhumirashi, PL, Zhang, W, Geier, ML, Renn, MJ, Kim, CH, Hersam, MC & Frisbie, CD 2013, 'Aerosol jet printed, low voltage, electrolyte gated carbon nanotube ring oscillators with sub-5 μs stage delays', Nano Letters, vol. 13, no. 3, pp. 954-960. https://doi.org/10.1021/nl3038773
Ha, Mingjing ; Seo, Jung Woo T ; Prabhumirashi, Pradyumna L. ; Zhang, Wei ; Geier, Michael L. ; Renn, Michael J. ; Kim, Chris H. ; Hersam, Mark C ; Frisbie, C. Daniel. / Aerosol jet printed, low voltage, electrolyte gated carbon nanotube ring oscillators with sub-5 μs stage delays. In: Nano Letters. 2013 ; Vol. 13, No. 3. pp. 954-960.
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