p-type semiconducting α,ω-dihexylsexithiophene for an organic thin film transistor

Jae Hong Kwon, Jung Hoon Seo, Hochul Kang, Dong Hoon Choi, Byeong Kwon Ju

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

End substitution of sexithiophene with hexyl groups, α,ω- dihexylsexithiophene (DH-6T), leads to a highly soluble conjugated oligomer. In this paper, we report on the synthesis of an air-stable p-type organic semiconductor, DH-6T. We also report on our analysis of its thermal, optical, and electrical properties. We obtained a stable characteristic curve. The field-effect performance had a mobility of 3.29 × 10-4 cm 2/V s, while the threshold voltage was about -19 V. The current on/off ratio was greater than 106 when the gate voltage was scanned from -40 to 0 V.

Original languageEnglish
Article number064502
JournalJournal of Applied Physics
Volume101
Issue number6
DOIs
Publication statusPublished - 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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