Temperature measurements of organic light-emitting diodes by stokes and anti-stokes raman scattering

Hiroya Tsuji, Atsushi Oda, Junji Kido, Takuro Sugiyama, Yukio Furukawa

研究成果: Article査読

14 被引用数 (Scopus)

抄録

We have measured the Stokes and anti-Stokes Raman scattering from organic light-emitting diodes based on copper phthalocyanine (CuPc), N,N′-di-1-naphthalenyl-N,N′-diphenyl-1,1′-biphenyl-4, 4′-diamine (α-NPD), and tris(8-quinolinolato) aluminum(III) (Alq3) with excitation at 633 nm. All of the observed bands have been attributed to CuPc because of the resonance Raman effect. The temperature of the CuPc layer has been obtained by taking the intensity ratio of anti-Stokes to Stokes Raman scattering of the 483 cm-1 vibration. The temperature of the CuPc layer in the device operated at 400 mA was 140 °C.

本文言語English
ページ(範囲)2171-2173
ページ数3
ジャーナルJapanese journal of applied physics
47
4 PART 1
DOI
出版ステータスPublished - 2008 4 18

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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