Micropatterning of thin P3HT films via plasma enhanced polymer transfer printing

Hyejin Kim, Bokyung Yoon, Jinwoo Sung, Dae Geun Choi, Cheolmin Park

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

We have developed a simple but robust process, plasma enhanced polymer Transfer printing (PEPTP), for fabricating micropatterns of semi-conducting poly(3-hexyl thiophene) (P3HT) thin films. The method is based on transferring thin P3HT film spin cast directly on a pre-patterned elastomeric poly(dimethyl siloxane) (PDMS) mold. Printing is accomplished by the application of oxygen plasma on both P3HT film and substrate for surface energy modulation at ambient conditions without additional pressure. The control of the relative interfacial surface energy by the plasma enables us to micro/nanopattern a wide range of polymers from P3HT to conventional insulating ones on various substrates including Si, glass and polymers over large areas. A bottom contact organic thin film transistor with the printed P3HT patterns using PEPTP exhibits a carrier mobility of approximately 0.02 cm2 V-1 s-1 with a relatively high on/off current ratio of 6 × 103.

Original languageEnglish
Pages (from-to)3489-3495
Number of pages7
JournalJournal of Materials Chemistry
Volume18
Issue number29
DOIs
Publication statusPublished - 2008 Aug 4

Fingerprint

Thiophenes
Thiophene
Printing
Polymers
Plasmas
Interfacial energy
Siloxanes
Carrier mobility
Substrates
Thin film transistors
Modulation
Oxygen
Glass
Thin films

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

Cite this

Kim, Hyejin ; Yoon, Bokyung ; Sung, Jinwoo ; Choi, Dae Geun ; Park, Cheolmin. / Micropatterning of thin P3HT films via plasma enhanced polymer transfer printing. In: Journal of Materials Chemistry. 2008 ; Vol. 18, No. 29. pp. 3489-3495.
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Micropatterning of thin P3HT films via plasma enhanced polymer transfer printing. / Kim, Hyejin; Yoon, Bokyung; Sung, Jinwoo; Choi, Dae Geun; Park, Cheolmin.

In: Journal of Materials Chemistry, Vol. 18, No. 29, 04.08.2008, p. 3489-3495.

Research output: Contribution to journalArticle

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