Electroluminescence in poly(3-alkylthienylene)s

N. C. Greenham, A. R. Brown, D. D.C. Bradley, R. H. Friend

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72 Scopus citations

Abstract

We report on measurements of electroluminescence (EL) in poly(3-hexylthienylene), and compare its EL properties with those of poly(3-dodecylthienylene) using calcium and aluminium as electron-injecting contacts. We find efficiencies significantly higher than those reported elsewhere, and achieve values of 0.2 % photons per electron in poly(3-dodecylthienylene). We present detailed EL spectra showing well-resolved phonon structure and highlight the role of defects in the performance of the devices. © 1993.
Original languageEnglish (US)
JournalSynthetic Metals
Volume57
Issue number1
DOIs
StatePublished - Apr 12 1993
Externally publishedYes

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