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

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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