Emission color tuning in ambipolar organic singlecrystal field-effect transistors by dye-doping

Hajime Nakanotani, Masatoshi Saito, Hiroaki Nakamura, Chihaya Adachi

研究成果: Contribution to journalArticle査読

66 被引用数 (Scopus)

抄録

The effect of dye-doping in ambipolar light-emitting organic field-effect transistors (LE-OFETs) is investigated from the standpoint of the carrier mobilities and the electroluminescence (EL) characteristics under ambipolar operation. Dye-doping of organic crystals permits not only tuning of the emission color but also significantly increases the efficiency of ambipolar LEOFETs. A rather high external EL quantum efficiency (∼0.64%) of one order of magnitude higher than that of a pure p-distyrylbenzene (P3V2) single crystal is obtained by tetracene doping. The doping of tetracene molecules into a host P3V2 crystal has almost no effect on the electron mobility and the dominant carrier recombination process in the tetracene-doped P3V2 crystal involves direct carrier recombination on the tetracene molecules.

本文言語英語
ページ(範囲)1610-1615
ページ数6
ジャーナルAdvanced Functional Materials
20
10
DOI
出版ステータス出版済み - 5 25 2010

All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 材料科学(全般)
  • 凝縮系物理学

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