Temperature measurements of a phosphorescent organic light-emitting diode by Raman spectroscopy

Hiroya Tsuji, Yukio Furukawa*

*この研究の対応する著者

研究成果: Article査読

8 被引用数 (Scopus)

抄録

We have observed the Raman spectrum of an operating phosphorescent organic light-emitting diode fabricated with bis(2-(2′-benzothienyl)-pyridinato-N,C3′)iridium(acetylacetonate) (Btp2Ir(acac)) as a phosphorescent emitter with excitation at 532 nm. All of the observed bands have been attributed to Btp2Ir(acac) because of the resonance Raman effect. We have determined the temperature of the emitting layer containing Btp2Ir(acac) from the ratio of the anti-Stokes to Stokes Raman bands of the 283-cm-1 vibrational mode attributed to Btp2Ir(acac). The temperature of the emitting layer is estimated to be 89 ± 8 °C at a current density of 400 A/m2.

本文言語English
ページ(範囲)206-208
ページ数3
ジャーナルChemical Physics Letters
488
4-6
DOI
出版ステータスPublished - 2010 3 22

ASJC Scopus subject areas

  • 物理学および天文学(全般)
  • 物理化学および理論化学

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