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Polarized electroluminescence from an oriented substituted polythiophene in a light emitting diode
Author(s) -
Dyreklev Peter,
Berggren Magnus,
Inganäs Olle,
Andersson Mats R.,
Wennerström Olof,
Hjertberg Thomas
Publication year - 1995
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19950070108
Subject(s) - materials science , electroluminescence , polythiophene , polymer , optoelectronics , conjugated system , fabrication , light emitting diode , quantum efficiency , diode , conductive polymer , nanotechnology , composite material , medicine , alternative medicine , layer (electronics) , pathology
Polarized light sources based on stretch‐oriented conjugated polymers are reported. The devices, based on poly 3(4‐octylphenyl)‐2,2′‐bithiophene, show an external quantum efficiency of 0.1% and are produced using a very simple method which may be easily extended to other polymers. The fabrication of the devices is described and factors such as the emission and spectral differences parallel and prependicular to the stretching direction discussed.