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Thin film morphology control via a mixed solvent system for high-performance organic thin film transistors

  • Tae Kyu An
  • , So Min Park
  • , Sooji Nam
  • , Jaeyeong Hwang
  • , Seung Jin Yoo
  • , Min Jung Lee
  • , Won Min Yun
  • , Jaeyoung Jang
  • , Hyojung Cha
  • , Jihun Hwang
  • , Seonuk Park
  • , Jiye Kim
  • , Dae Sung Chung
  • , Yun Hi Kim
  • , Soon Ki Kwon
  • , Chan Eon Park
  • Pohang University of Science and Technology
  • Gyeongsang National University
  • Chung-Ang University

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The electrical performance of a thin film in an organic thin film transistor depends on the film morphology. A mixed solvent system was demonstrated to provide a useful method for controlling the morphologies of organic semiconductor layers in organicJhin film transistor. To overcome the limitations on solvent properties, control over the morphology of a 2-(6-((2-ethylhexyl)oxy)naphthalen-2-yl)anthracene film using a tetrahydrofu-ran/chloroform mixed system (with ratio/of 1:5 w/w).cHere, innan effortItohachieve improved the device electrical performance properties for use in organic thin film transistors, we have examined a mixed solvent system that is suitable for the fabrication of organic semiconductors.

Original languageEnglish
Pages (from-to)1323-1327
Number of pages5
JournalScience of Advanced Materials
Volume5
Issue number9
DOIs
StatePublished - 2013

Keywords

  • Crystallinity
  • Fused acene
  • Mixed solvent
  • Morphology
  • Organic semiconductor
  • Organic thin film transistor (OTFT)

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