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Optical Engineering

Polymer light-emitting devices with poly(2-decyloxy-1,4-phenylene)
Author(s): Chang Seoul; Won-Jun Song
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Paper Abstract

Thin films of poly(2-decyloxy-1,4-phenylene) (DO-PPP) are studied, especially in terms of their structure and properties. DO-PPP has thermal stability up to 384°C. The indium-tin-oxide (ITO)/DO-PPP/Al device emitted 425-nm blue light. The optimum thickness for the device is about 100 nm. For the ITO/DO-PPP (100-nm)/Al device, the EL quantum efficiency was about 0.01%. For the ITO/DO-PPP (100-nm)/Al device with a heat-treated polymer layer, the electroluminescence (EL) intensity clearly decreases with an increase of crystallinity. This result may be due to low carrier mobility in the crystalline region.

Paper Details

Date Published: 1 March 2000
PDF: 4 pages
Opt. Eng. 39(3) doi: 10.1117/1.602410
Published in: Optical Engineering Volume 39, Issue 3
Show Author Affiliations
Chang Seoul, Inha Univ. (South Korea)
Won-Jun Song, Inha Univ. (South Korea)

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