Self-assembled monolayer modifications of organic thin film transistors

Ivan Shuvalov, Rhys Lawson, Hong Ma, Alex Jen, Larry Dalton

Research output: Journal Publications and ReviewsRGC 22 - Publication in policy or professional journal

Abstract

Future generations of flexible, transparent electronics will require the use of polymer based thin-film transistors (TFTs) exhibiting high carrier mobility. The problem of enhancing TFT characteristics is addressed in this report. We investigate the nanoscale, self-assembled monolayer (SAM) influence on organic-based thin film transistors (OTFT) at the interface between semiconducting polymer and both the source/drain metal contacts and the insulator. Capacitance-voltage (C-V) characteristics help to elucidate the role of SAMs in the OTFT structure and the charge injection mechanism. Positive trends and parasitic effects are also addressed in characterization.
Original languageEnglish
Article number71
Pages (from-to)437-442
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5592
DOIs
Publication statusPublished - 2005
Externally publishedYes
EventNanofabrication: Technologies, Devices, and Applications - Philadelphia, PA, United States
Duration: 25 Oct 200428 Oct 2004

Research Keywords

  • Carrier mobility
  • Organic thin-film transistors
  • Polythiophene
  • Self-assembled monolayers

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