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

doi:10.1016/j.dyepig.2009.03.003

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

Rutgers University

Research output: Contribution to journal › Article

44 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 language	English
Pages (from-to)	155-161
Number of pages	7
Journal	Dyes and Pigments
Volume	83
Issue number	2
DOIs	https://doi.org/10.1016/j.dyepig.2009.03.003
Publication status	Published - Nov 1 2009

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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

Zeng, H. P., Wang, G. R., Zeng, G. C., & Li, J. (2009). The synthesis, characterization and electroluminescent properties of zinc(II) complexes for single-layer organic light-emitting diodes. Dyes and Pigments, 83(2), 155-161. https://doi.org/10.1016/j.dyepig.2009.03.003

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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.",

keywords = "8-Hydroxyquinoline derivative, Carbazole derivative, Electroluminescence, Fluorescence spectra, Organic light-emitting diode (OLED), Zinc(II) complex",

author = "Zeng, {He Ping} and Wang, {Guang Rong} and Zeng, {Gong Chang} and Jing Li",

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AU - Li, Jing

PY - 2009/11/1

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N2 - (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.

AB - (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.

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KW - Carbazole derivative

KW - Electroluminescence

KW - Fluorescence spectra

KW - Organic light-emitting diode (OLED)

KW - Zinc(II) complex

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10.1016/j.dyepig.2009.03.003