Temperature measurements of the PEDOT-PSS layer in a polymer light-emitting diode by stokes and anti-stokes Raman scattering

Takuro Sugiyama, Hiroya Tsuji, Yukio Furukawa

    Research output: Contribution to journalArticle

    13 Citations (Scopus)

    Abstract

    We have observed Stokes and anti-Stokes Raman scattering from an operating double-layer polymer light-emitting diode fabricated with poly(3,4-ethylenedioxythiophene)-poly(4-styrenesulfonate) (PEDOT-PSS) as a hole-injection layer (50 nm thickness) and a polyfluorene-based polymer blend as a light-emitting layer (90 nm thickness) with excitation at 633 nm. The temperature of the PEDOT-PSS layer was estimated to be 74 ± 6 °C at a current of 150 mA/cm2 (1000 cd/m2), whereas that of the glass surface measured by a thermocouple was 41 °C.

    Original languageEnglish
    Pages (from-to)238-241
    Number of pages4
    JournalChemical Physics Letters
    Volume453
    Issue number4-6
    DOIs
    Publication statusPublished - 2008 Mar 3

    Fingerprint

    Temperature measurement
    Light emitting diodes
    temperature measurement
    Raman scattering
    Polymers
    light emitting diodes
    Raman spectra
    polymers
    Polymer blends
    Thermocouples
    Glass
    polymer blends
    thermocouples
    injection
    Temperature
    poly(3,4-ethylene dioxythiophene)
    glass
    excitation
    temperature

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Spectroscopy
    • Atomic and Molecular Physics, and Optics
    • Surfaces and Interfaces
    • Condensed Matter Physics

    Cite this

    Temperature measurements of the PEDOT-PSS layer in a polymer light-emitting diode by stokes and anti-stokes Raman scattering. / Sugiyama, Takuro; Tsuji, Hiroya; Furukawa, Yukio.

    In: Chemical Physics Letters, Vol. 453, No. 4-6, 03.03.2008, p. 238-241.

    Research output: Contribution to journalArticle

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