Electroluminescence of poly(phenylenevinylene)s containing triphenylamine moieties in the main chain

Yong Jin Pu, Minoru Soma, Hiroyuki Nishide, Satoshi Shirai, Junji Kido

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A series of π-conjugated polymers alternatively involving m-phenylenevinylene or p-phenylenevinylene and a triphenylamine moiety in the main chain, poly(triphenylamine-alt-phenylenevinylene)s, were synthesized and their optical and electroluminescent properties were studied. Single-layer light-emitting diodes based on each polymer showed a strong blue-yellow-green emission ascribed to their band gaps, and exhibited small turn on voltages and large current densities. The device containing poly(4-methyltriphenylamine-alt-p-phenylenevinylene) (MPA-pPV) displayed a high brightness (640 cd/m2 at 10 V). These results suggest that the polymers have a good charge transporting ability and an electroluminescent property.

Original languageEnglish
Pages (from-to)362-365
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume41
Issue number1
Publication statusPublished - 2002

Keywords

  • Light-emitting diode
  • Organic electroluminescence
  • Poly(phenylenevinylene)
  • Triphenylamine

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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