Performance of injection-limited polymer light-emitting diodes

Authors :: Blom, P.W.M.
Woudenberg, T.V.
Huiberts, H.
Jabbour, GE
Carter, SA
Kido, J
Lee, ST
Sariciftci, NS
Zernike Institute for Advanced Materials
Source :: ORGANIC AND POLYMERIC MATERIALS AND DEVICES-OPTICAL, ELECTRICAL AND OPTOELECTRONIC PROPERTIES, 725, 59-66
Publication Year :: 2002
Publisher :: Materials Research Society, 2002.
Abstract: The electro-optical characteristics of a polymer light emitting diode (PLED) with a strongly reduced hole injection have been investigated. The device consists of a poly-p-phenylene vinylene semiconductor with a Ag hole injecting contact, which has an injection barrier of about 1 eV. It is observed that the light and current density of such an injection-limited PLED strongly exceed the expected device characteristics. Numerical calculations of the injection-limited PLED show that the enhanced performance can be explained by a very high electric field at the bole injecting contact, due to trapped electrons.

Language :: English
Database :: OpenAIRE
Journal :: ORGANIC AND POLYMERIC MATERIALS AND DEVICES-OPTICAL, ELECTRICAL AND OPTOELECTRONIC PROPERTIES, 725, 59-66
Accession number :: edsair.narcis........1ecedd962a6e795ccc6b012bc173ae4b

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