Material design of organic semiconductors for light emitting organic field-effect transistors and their device characteristics

Masayuki Yahiro, Tomo Sakanoue, Hiroyuki Uchiuzou, Takahito Oyamada, Akio Toshimitsu, Chihaya Adachi

Research output: Contribution to journalArticle

Abstract

In this study, we report on material design of light-emitting organic field effect transistors (LE-OFETs). Some of newly synthesized pyrene and bis-styryl derivatives as an active layer demonstrated high field effect mobility (μh == 0.11 cm2/Vs, C 6-BSBP) and high photoluminescence efficiency (φPL-80%, symmetrical di-substituted pyrene derivatives). Further, external electroluminescence quantum efficiency was improved from 0.01% in TPPy to 0.15-0.54% in pyrene dimmers. In addition, we demonstrate an increase of EL efficiency by introducing guest-host system and ambipolar operation mechanism.

Original languageEnglish
Pages (from-to)493-503
Number of pages11
JournalYuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry
Volume66
Issue number5
Publication statusPublished - 2008 May
Externally publishedYes

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Keywords

  • Ambipolar FET
  • Bis-styryl derivative
  • Electroluminescence
  • Light-emitting organic field effect transistor
  • Material design
  • Organic semiconductor
  • Pyrene derivative

ASJC Scopus subject areas

  • Organic Chemistry

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