1/f noise in pentacene organic thin film transistors

P. V. Necliudov, S. L. Rumyantsev, M. S. Shur, D. J. Gundlach, T. N. Jackson

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

We report on the flicker (1/f) noise in pentacene organic thin film transistors (TFTs) of different designs. Our studies show that the TFT design affects the noise level and the noise dependence on the gate- and drain-source biases. The measured noise level was the lowest for the TFTs with a top source and drain contacts design. For these devices, the noise dependence at low drain current values resembled that for n-type crystalline Si metal-oxide-semiconductor field-effect transistors. The extracted Hooge parameter α, which allows comparing the noise level in different devices and materials, was 0.045 for the top-contact TFTs. This parameter value is several orders of magnitude lower than that for conducting polymers and only several times higher than that for hydrogenated amorphous Si (α-Si:H) TFTs. The bottom source and drain contacts TFTs had a much higher noise level with a noise dependence on the terminal voltages that differed from the noise voltage dependence for the top-contact TFTs. The Hooge parameter values were in the range of 5-20 for the bottom-contact TFTs. We estimated that the contact noise could be comparable to the channel noise for both top-contact and bottom-contact TFTs.

Original languageEnglish (US)
Pages (from-to)5395-5399
Number of pages5
JournalJournal of Applied Physics
Volume88
Issue number9
DOIs
StatePublished - Nov 1 2000

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transistors
thin films
channel noise
flicker
conducting polymers
electric potential
low currents
metal oxide semiconductors
field effect transistors

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Necliudov, P. V., Rumyantsev, S. L., Shur, M. S., Gundlach, D. J., & Jackson, T. N. (2000). 1/f noise in pentacene organic thin film transistors. Journal of Applied Physics, 88(9), 5395-5399. https://doi.org/10.1063/1.1314618
Necliudov, P. V. ; Rumyantsev, S. L. ; Shur, M. S. ; Gundlach, D. J. ; Jackson, T. N. / 1/f noise in pentacene organic thin film transistors. In: Journal of Applied Physics. 2000 ; Vol. 88, No. 9. pp. 5395-5399.
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Necliudov, PV, Rumyantsev, SL, Shur, MS, Gundlach, DJ & Jackson, TN 2000, '1/f noise in pentacene organic thin film transistors', Journal of Applied Physics, vol. 88, no. 9, pp. 5395-5399. https://doi.org/10.1063/1.1314618

1/f noise in pentacene organic thin film transistors. / Necliudov, P. V.; Rumyantsev, S. L.; Shur, M. S.; Gundlach, D. J.; Jackson, T. N.

In: Journal of Applied Physics, Vol. 88, No. 9, 01.11.2000, p. 5395-5399.

Research output: Contribution to journalArticle

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Necliudov PV, Rumyantsev SL, Shur MS, Gundlach DJ, Jackson TN. 1/f noise in pentacene organic thin film transistors. Journal of Applied Physics. 2000 Nov 1;88(9):5395-5399. https://doi.org/10.1063/1.1314618