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

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

    Research output: Contribution to journalArticle

    13 Citations (Scopus)

    Abstract

    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.

    Original languageEnglish
    Pages (from-to)2171-2173
    Number of pages3
    JournalJapanese Journal of Applied Physics
    Volume47
    Issue number4 PART 1
    DOIs
    Publication statusPublished - 2008 Apr 18

    Fingerprint

    Organic light emitting diodes (OLED)
    Temperature measurement
    temperature measurement
    Raman scattering
    light emitting diodes
    Raman spectra
    diamines
    aluminum
    Copper
    Aluminum
    copper
    vibration
    Temperature
    temperature
    excitation

    Keywords

    • Anti-Stokes Raman scattering
    • OLED
    • Raman spectroscopy
    • Stokes raman scattering
    • Temperature

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

    Cite this

    Temperature measurements of organic light-emitting diodes by stokes and anti-stokes raman scattering. / Tsuji, Hiroya; Oda, Atsushi; Kido, Junji; Sugiyama, Takuro; Furukawa, Yukio.

    In: Japanese Journal of Applied Physics, Vol. 47, No. 4 PART 1, 18.04.2008, p. 2171-2173.

    Research output: Contribution to journalArticle

    Tsuji, Hiroya ; Oda, Atsushi ; Kido, Junji ; Sugiyama, Takuro ; Furukawa, Yukio. / Temperature measurements of organic light-emitting diodes by stokes and anti-stokes raman scattering. In: Japanese Journal of Applied Physics. 2008 ; Vol. 47, No. 4 PART 1. pp. 2171-2173.
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    AU - Furukawa, Yukio

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