Effect of curing temperature on nano-silver paste ink for organic thin-film transistors

Minseok Kim, Jae Bon Koo, Kang Jun Baeg, Yong Young Noh, Yong Suk Yang, Soon Won Jung, Byeong Kwon Ju, In Kyu You

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Silver (Ag) metal electrode having 20 μm channel length was printed by reverse offset printing (ROP) using nano-silver paste ink for the source/drain of organic thin-film transistors (OTFT). Specific resistance and surface roughness of printed Ag electrodes with increasing curing temperature were investigated, and surface morphology and grain growth mechanism were systematically verified using a scanning electron microscope (SEM) and atomic force microscope (AFM) in order to obtain an optimized ROP Ag electrode. The Ag electrode was applied to fabricate top-gate/bottomcontact poly(3-hexylthiophene) OTFT devices, which showed reproducible OTFT characteristics such as the field-effect mobility, threshold voltage, and an on/off-current ratio of ∼10∼ 3 cm 2/Vs, 0.36 V, and ∼10 2, respectively.

Original languageEnglish
Pages (from-to)3272-3275
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume12
Issue number4
DOIs
Publication statusPublished - 2012 Jul 6

Fingerprint

Ink
Adhesive pastes
inks
Thin film transistors
Ointments
curing
Silver
Curing
Electrodes
transistors
silver
Offset printing
Printing
Temperature
electrodes
thin films
printing
temperature
Grain growth
Threshold voltage

Keywords

  • Curing temperature
  • Nano-silver paste
  • OTFT
  • Reverse offset printing

ASJC Scopus subject areas

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

Cite this

Kim, M., Koo, J. B., Baeg, K. J., Noh, Y. Y., Yang, Y. S., Jung, S. W., ... You, I. K. (2012). Effect of curing temperature on nano-silver paste ink for organic thin-film transistors. Journal of Nanoscience and Nanotechnology, 12(4), 3272-3275. https://doi.org/10.1166/jnn.2012.5639

Effect of curing temperature on nano-silver paste ink for organic thin-film transistors. / Kim, Minseok; Koo, Jae Bon; Baeg, Kang Jun; Noh, Yong Young; Yang, Yong Suk; Jung, Soon Won; Ju, Byeong Kwon; You, In Kyu.

In: Journal of Nanoscience and Nanotechnology, Vol. 12, No. 4, 06.07.2012, p. 3272-3275.

Research output: Contribution to journalArticle

Kim, Minseok ; Koo, Jae Bon ; Baeg, Kang Jun ; Noh, Yong Young ; Yang, Yong Suk ; Jung, Soon Won ; Ju, Byeong Kwon ; You, In Kyu. / Effect of curing temperature on nano-silver paste ink for organic thin-film transistors. In: Journal of Nanoscience and Nanotechnology. 2012 ; Vol. 12, No. 4. pp. 3272-3275.
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