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

doi:10.1016/j.cplett.2008.01.038

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

School of Advanced Science and Engineering

Research output: Contribution to journal › Article

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 language	English
Pages (from-to)	238-241
Number of pages	4
Journal	Chemical Physics Letters
Volume	453
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2008.01.038
Publication status	Published - 2008 Mar 3

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ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Cite this

Sugiyama, T., Tsuji, H., & Furukawa, Y. (2008). Temperature measurements of the PEDOT-PSS layer in a polymer light-emitting diode by stokes and anti-stokes Raman scattering. Chemical Physics Letters, 453(4-6), 238-241. https://doi.org/10.1016/j.cplett.2008.01.038

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AB - 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.

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10.1016/j.cplett.2008.01.038