Durability characteristics of aminopyrene dimer molecules as an emitter in organic multilayered electroluminescent diodes

Chihaya Adachi, Kazukiyo Nagai, Nozomu Tamoto

研究成果: ジャーナルへの寄稿学術誌査読

16 被引用数 (Scopus)

抄録

We report the structure design of emitter molecules using aminopyrene dimers for obtaining durable organic electroluminescent (EL) diodes. Using eighteen kinds of emitter molecules having a variety of substituents and linking groups, we investigated the durability of the cell structure of the anode/hole transport layer/emitter layer/electron transport layer 2/electron transport layer 1/cathode. We observed that the chemical structures of the emitter molecules strongly influenced the durability of the EL devices under continuous DC operation. We observed no direct relationships between melting point (Tm), glass transition temperature (Tg), ionization potential (Ip), electron affinity (Ea) of emitter layers and EL device durabilities. The effect of the substituent groups of emitter molecules on EL device durability suggests that the chemical stability of the emitter molecules largely influences EL device durability.

本文言語英語
ページ(範囲)4819-4825
ページ数7
ジャーナルJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
35
9 A
DOI
出版ステータス出版済み - 1996
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 工学(全般)
  • 物理学および天文学(全般)

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