Journal
CHEMICAL PHYSICS LETTERS
Volume 453, Issue 4-6, Pages 238-241Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2008.01.038
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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 degrees C at a current of 150 mA/cm(2) (1000 cd/m(2)), whereas that of the glass surface measured by a thermocouple was 41 degrees C. (C) 2008 Elsevier B.V. All rights reserved.
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