The synthesis, characterization and electroluminescent properties of zinc(II) complexes for single-layer organic light-emitting diodes

He Ping Zeng, Guang Rong Wang, Gong Chang Zeng, Jing Li

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

(E)-2-(2-(9-p-tolyl-9H-carbazol-3-yl)vinyl)-8-hydroxyl-quinoline, (E)-2-(2-(9-(4-methoxyphenyl)-9H-carbazol-3-yl)vinyl)-8-hydroxyquinoline and their respective zinc(II) complexes were synthesized and their structures confirmed using UV-vis, FT-IR, ESI-MS, FAB-MS, 1H NMR and elemental analysis. The two Zn(II) complexes displayed high thermal stability with thermal decomposition temperatures of 422 °C and 410 °C, respectively. Photoluminescence spectra revealed that the complexes possessed maximum emissions at 575 and 570 nm, respectively, in the green region. Single-layer, organic light-emitting diodes built using these complexes emitted yellow light, as a result of a red-shift, with maximum luminances of 489 cd/m2 and 402 cd/m2 as well as luminance efficiencies of 0.41 cd A-1 and 1.81 cd A-1, respectively.

Original languageEnglish
Pages (from-to)155-161
Number of pages7
JournalDyes and Pigments
Volume83
Issue number2
DOIs
Publication statusPublished - Nov 2009

Fingerprint

Organic light emitting diodes (OLED)
Zinc
Luminance
Oxyquinoline
Hydroxyl Radical
Photoluminescence
Pyrolysis
Thermodynamic stability
Nuclear magnetic resonance
Chemical analysis
Temperature
C 410
quinoline

Keywords

  • 8-Hydroxyquinoline derivative
  • Carbazole derivative
  • Electroluminescence
  • Fluorescence spectra
  • Organic light-emitting diode (OLED)
  • Zinc(II) complex

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Process Chemistry and Technology

Cite this

The synthesis, characterization and electroluminescent properties of zinc(II) complexes for single-layer organic light-emitting diodes. / Zeng, He Ping; Wang, Guang Rong; Zeng, Gong Chang; Li, Jing.

In: Dyes and Pigments, Vol. 83, No. 2, 11.2009, p. 155-161.

Research output: Contribution to journalArticle

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