Solution processable PEDOT:PSS based hybrid electrodes for organic field effect transistors

Bernardi Sanyoto, Soyeon Kim, Won Tae Park, Yong Xu, Jung-Hyun Kim, Jong Choo Lim, Yong Young Noh

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We report high performance solution processed conductive inks used as contact electrodes for printed organic field effect transistors (OFETs). Poly(3,4-ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS) electrodes show highly improved very low sheet resistance of 65.8 ± 6.5 Ω/square (Ω/□) by addition of dimethyl sulfoxide (DMSO) and post treatment with methanol (MeOH) solvent. Sheet resistance was further improved to 33.8 ± 8.6 Ω/□ by blending silver nanowire (AgNW) with DMSO doped PEDOT:PSS. Printed OFETs with state of the art diketopyrrolopyrrole-thieno[3,2-b]thiophene (DPPT-TT) semiconducting polymer were demonstrated with various solution processable conductive inks, including bare, MeOH treated PEDOT:PSS, single wall carbon nanotubes, and hybrid PEDOT:PSS-AgNW, as the source and drain (S/D) electrode by spray printing using a metal shadow mask. The highest field effect mobility, 0.49 ± 0.03 cm2 V−1 s−1 for DPPT-TT OFETs, was obtained using blended AgNW with DMSO doped PEDOT:PSS S/D electrode.

Original languageEnglish
Pages (from-to)352-357
Number of pages6
JournalOrganic Electronics
Volume37
DOIs
Publication statusPublished - 2016 Oct 1

Fingerprint

Organic field effect transistors
sulfonates
Polystyrenes
polystyrene
field effect transistors
Dimethyl sulfoxide
Dimethyl Sulfoxide
Electrodes
electrodes
Sheet resistance
inks
Ink
Semiconducting polymers
Thiophenes
Carbon Nanotubes
Thiophene
thiophenes
Silver
printing
Contacts (fluid mechanics)

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Sanyoto, Bernardi ; Kim, Soyeon ; Park, Won Tae ; Xu, Yong ; Kim, Jung-Hyun ; Lim, Jong Choo ; Noh, Yong Young. / Solution processable PEDOT:PSS based hybrid electrodes for organic field effect transistors. In: Organic Electronics. 2016 ; Vol. 37. pp. 352-357.
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Solution processable PEDOT:PSS based hybrid electrodes for organic field effect transistors. / Sanyoto, Bernardi; Kim, Soyeon; Park, Won Tae; Xu, Yong; Kim, Jung-Hyun; Lim, Jong Choo; Noh, Yong Young.

In: Organic Electronics, Vol. 37, 01.10.2016, p. 352-357.

Research output: Contribution to journalArticle

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