Organic thin-film transistors with short channel length fabricated by reverse offset printing

Minseok Kim, In Kyu You, Hyun Han, Soon Won Jung, Tae Youb Kim, Byeong Kwon Ju, Jae Bon Koo

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We report on the fabrication of organic thin-film transistors (OTFTs) with a reverse-offset-printed Ag metal source/drain (S/D) electrode pattern. The printed electrodes had a channel length of less than 5 μm and resistivity of 3 × 10-6 ω cm. The OTFTs were fabricated from regioregular poly(3-hexylthiophene) as the semiconductor and poly(methyl methacrylate) as the gate insulator. The transfer and output characteristics of a top-gate OTFT with a channel length of 5 μm were evaluated. Here we discuss in detail the technological challenges encountered with reverse offset printing and the failure modes.

Original languageEnglish
JournalElectrochemical and Solid-State Letters
Volume14
Issue number8
DOIs
Publication statusPublished - 2011 Jun 22

Fingerprint

Offset printing
Thin film transistors
printing
transistors
thin films
Electrodes
electrodes
failure modes
Polymethyl Methacrylate
Polymethyl methacrylates
polymethyl methacrylate
Failure modes
Metals
insulators
Semiconductor materials
Fabrication
fabrication
electrical resistivity
output
metals

ASJC Scopus subject areas

  • Electrochemistry
  • Electrical and Electronic Engineering
  • Materials Science(all)
  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry

Cite this

Organic thin-film transistors with short channel length fabricated by reverse offset printing. / Kim, Minseok; You, In Kyu; Han, Hyun; Jung, Soon Won; Kim, Tae Youb; Ju, Byeong Kwon; Koo, Jae Bon.

In: Electrochemical and Solid-State Letters, Vol. 14, No. 8, 22.06.2011.

Research output: Contribution to journalArticle

Kim, Minseok ; You, In Kyu ; Han, Hyun ; Jung, Soon Won ; Kim, Tae Youb ; Ju, Byeong Kwon ; Koo, Jae Bon. / Organic thin-film transistors with short channel length fabricated by reverse offset printing. In: Electrochemical and Solid-State Letters. 2011 ; Vol. 14, No. 8.
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