Liquid carbazole substituted with a poly(ethylene oxide) group and its application for liquid organic light-emitting diodes

Korefumi Kubota, Shuzo Hirata, Yuki Shibano, Osamu Hirata, Masayuki Yahiro, Chihaya Adachi

研究成果: ジャーナルへの寄稿学術誌査読

27 被引用数 (Scopus)

抄録

We report efficient carrier injection characteristics in liquid organic light-emitting diodes (OLEDs). The use of a liquid carbazole substituted with a poly(ethylene oxide) (PEO) chain provided a substantial improvement in carrier injection compared to devices constructed with carbazoles without PEO units. The external electroluminescence quantum efficiency (φ EL) of an OLED with the liquid carbazole as an emitting layer resulted in φ EL = 0.75%, 25 times higher φEL than that of our previous liquid OLED without electrolyte.

本文言語英語
ページ(範囲)934-936
ページ数3
ジャーナルChemistry Letters
41
9
DOI
出版ステータス出版済み - 9月 17 2012

!!!All Science Journal Classification (ASJC) codes

  • 化学 (全般)

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