Triplet exciton confinement and unconfinement by adjacent hole-transport layers

Kenichi Goshi, Raymond Kwong, Julie J. Brown, Hiroyuki Sasabe, Chihaya Adachi

研究成果: Contribution to journalArticle

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The triplet energy transfer processes from Ir(ppy) 3 into hole-transport layer (HTL) were investigated. The requirements for the triplet energy level of HTLs need to obtained high electrophosphorescence efficiency were also analyzed. It was found that, in the case of TPD, transient PL measurement revealed that the triple excitons in Ir(ppy) 3 were partilaay confined at room temperature. The results show that, employing 1,1-bis[(di-4-tolylamino)phenyl]cyclohexane (TAPC) as a hole-transport layer achieved strong confinement of the Ir(ppy) 3 triplet exciton.

元の言語英語
ページ(範囲)7798-7802
ページ数5
ジャーナルJournal of Applied Physics
95
発行部数12
DOI
出版物ステータス出版済み - 6 15 2004
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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