Roll-off characteristics of electroluminescence efficiency of organic blue electrophosphorescence diodes

Kyung Soo Son, Masayuki Yahiro, Toshiro Imai, Hiroki Yoshizaki, Junichi Nishide, Hiroyuki Sasabe, Chihaya Adachi

研究成果: ジャーナルへの寄稿学術誌査読

5 被引用数 (Scopus)

抄録

We studied the relaxation of electroluminescence roll-off characteristics by changing the dopant concentration and thickness of the emitting layer in organic blue electrophosphorescence diodes composed of a 2,6-dicarbazolo-1,5- pyridine host doped with iridium(III)-bis[(4,6-di-fluorophenyl)-pyridinato-N, C2]picolinate. Analyzing the roll-off characteristics using the theoretical models of triplet-triplet annihilation and triplet-polaron annihilation (TPA), we found that the roll-off characteristics of these devices were determined primarily by TPA.

本文言語英語
ページ(範囲)7363-7365
ページ数3
ジャーナルJapanese journal of applied physics
47
9 PART 1
DOI
出版ステータス出版済み - 9月 12 2008

!!!All Science Journal Classification (ASJC) codes

  • 工学一般
  • 物理学および天文学一般

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