Electroluminescence from a polyester containing oligothiophenes in the main chain, enhanced by a diimide electron transport agent

Yaoliang Hong, Larry L. Miller, David D. Graf, Kent R. Mann, Baruch Zinger

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Photoluminescence spectra in solution and thin films were measured for a polyester with isolated dimethoxyquaterthiophene units in the main chain. Light-emitting diodes were fabricated using indium-tin oxide (ITO)/polyester/Al sandwiches. N,N-dilauryl naphthalene tetracarboxylic acid diimide, added as an electron transport agent, gave improved performance. The emitted light was orange and had λmax 595 nm. Devices constructed with a 240 nm thick polymer film had an emission threshold of about 15 V and 4 mA cm-2.

Original languageEnglish (US)
Pages (from-to)189-191
Number of pages3
JournalSynthetic Metals
Volume82
Issue number3
DOIs
StatePublished - Sep 30 1996

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation, tbro Tabakovic supplied 3. Paul Barbara and Josef

Keywords

  • Diimide electron transport agent
  • Electroluminescence
  • Oligothiophene
  • Polyester

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