Low-voltage organic transistors for flexible electronics

Ute Zschieschang, Reinhold Rödel, Ulrike Kraft, Kazuo Takimiya, Tarek Zaki, Florian Letzkus, Jörg Butschke, Harald Richter, Joachim N. Burghartz, Wei Xiong, Boris Murmann, Hagen Klauk

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A process for the fabrication of bottom-gate, top-contact (inverted staggered) organic thin-film transistors (TFTs) with channel lengths as short as 1 μm on flexible plastic substrates has been developed. The TFTs employ vacuum-deposited small-molecule semiconductors and a low-temperature-processed gate dielectric that is sufficiently thin to allow the TFTs to operate with voltages of about 3 V. The p-channel TFTs have an effective field-effect mobility of about 1 cm2/Vs, an on/off ratio of 107, and a signal propagation delay (measured in 11-stage ring oscillators) of 300 ns per stage. For the n-channel TFTs, an effective field-effect mobility of about 0.06 cm2/Vs, an on/off ratio of 106, and a signal propagation delay of 17 μs per stage have been obtained.

Original languageEnglish
Title of host publicationProceedings - Design, Automation and Test in Europe, DATE 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9783981537024
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes
Event17th Design, Automation and Test in Europe, DATE 2014 - Dresden, Germany
Duration: 2014 Mar 242014 Mar 28

Publication series

NameProceedings -Design, Automation and Test in Europe, DATE
ISSN (Print)1530-1591

Other

Other17th Design, Automation and Test in Europe, DATE 2014
CountryGermany
CityDresden
Period14/3/2414/3/28

ASJC Scopus subject areas

  • Engineering(all)

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  • Cite this

    Zschieschang, U., Rödel, R., Kraft, U., Takimiya, K., Zaki, T., Letzkus, F., Butschke, J., Richter, H., Burghartz, J. N., Xiong, W., Murmann, B., & Klauk, H. (2014). Low-voltage organic transistors for flexible electronics. In Proceedings - Design, Automation and Test in Europe, DATE 2014 [6800519] (Proceedings -Design, Automation and Test in Europe, DATE). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.7873/DATE2014.318