Organic blue electrophosphorescence using a cyclic siloxane compound as a host material

Ayataka Endo, Jason Brooks, Julie J. Brown, Hiroyuki Sasabe, Chihaya Adachi

研究成果: Contribution to journalArticle査読

抄録

In organic blue electrophosphorescence diodes, we used hexaphenylcyclotrisiloxane (DPSiO 3) as a host material aiming for high efficiency blue electroluminescence (EL). The phosphorescence spectrum of the siloxane compound was measured at T = 77 K in an EPA solution and the results well coincided with those of a benzene solution, indicating that the π-conjugation of DPSiO 3 is basically localized in a benzene ring. In the OLED devices with DPSiO 3 as a host, the maximum external EL efficiency of η ext = 11.1% was obtained with iridium (III) bis (4,6-di-fluorophenyl)-pyridinato-N, C 2) picolinate (FIrpic) as an emitter.

本文言語英語
ページ(範囲)686-690
ページ数5
ジャーナルKOBUNSHI RONBUNSHU
63
10
DOI
出版ステータス出版済み - 10 1 2006

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Materials Science (miscellaneous)
  • Environmental Science(all)
  • Polymers and Plastics

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