Electroluminescent properties of an electrochemically cross-linkable carbazole peripheral poly(benzyl ether) dendrimer

Jin Young Park; Dong Eun Kim; Ramakrishna Ponnapati; Jong Min Kim; Young Soo Kwon; Rigoberto C. Advincula

doi:10.1002/cphc.201000785

Electroluminescent properties of an electrochemically cross-linkable carbazole peripheral poly(benzyl ether) dendrimer

Jin Young Park, Dong Eun Kim, Ramakrishna Ponnapati, Jong Min Kim, Young Soo Kwon, Rigoberto C. Advincula

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The electroluminescent (EL) properties of a cross-linkable carbazole-terminated poly(benzyl ether) dendrimer, G₃-cbz DN, doped into a PVK:PBD host matrix with a double-layer device configuration are investigated. Different concentrations of the guest material can control device efficiency, related to chromaticity of white emission and the origin of excited-state complexes occurring between hole-transporting carbazole units (PVK or G₃-cbz DN) and electron-transporting oxadiazole (PBD). Two excited states (exciplex and electroplex) generated at the interfaces of PVK/G₃-cbz DN and PBD result in competitive emission, exhibiting a broad band in the EL spectra.

Original language	English
Pages (from-to)	1010-1015
Number of pages	6
Journal	ChemPhysChem
Volume	12
Issue number	5
DOIs	https://doi.org/10.1002/cphc.201000785
Publication status	Published - 2011 Apr 4
Externally published	Yes

Keywords

dendrimers
electrochemistry
electroplex
exciplex
luminescence

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry

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abstract = "The electroluminescent (EL) properties of a cross-linkable carbazole-terminated poly(benzyl ether) dendrimer, G3-cbz DN, doped into a PVK:PBD host matrix with a double-layer device configuration are investigated. Different concentrations of the guest material can control device efficiency, related to chromaticity of white emission and the origin of excited-state complexes occurring between hole-transporting carbazole units (PVK or G3-cbz DN) and electron-transporting oxadiazole (PBD). Two excited states (exciplex and electroplex) generated at the interfaces of PVK/G3-cbz DN and PBD result in competitive emission, exhibiting a broad band in the EL spectra.",

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AU - Park, Jin Young

AU - Kim, Dong Eun

AU - Ponnapati, Ramakrishna

AU - Kim, Jong Min

AU - Kwon, Young Soo

AU - Advincula, Rigoberto C.

PY - 2011/4/4

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N2 - The electroluminescent (EL) properties of a cross-linkable carbazole-terminated poly(benzyl ether) dendrimer, G3-cbz DN, doped into a PVK:PBD host matrix with a double-layer device configuration are investigated. Different concentrations of the guest material can control device efficiency, related to chromaticity of white emission and the origin of excited-state complexes occurring between hole-transporting carbazole units (PVK or G3-cbz DN) and electron-transporting oxadiazole (PBD). Two excited states (exciplex and electroplex) generated at the interfaces of PVK/G3-cbz DN and PBD result in competitive emission, exhibiting a broad band in the EL spectra.

AB - The electroluminescent (EL) properties of a cross-linkable carbazole-terminated poly(benzyl ether) dendrimer, G3-cbz DN, doped into a PVK:PBD host matrix with a double-layer device configuration are investigated. Different concentrations of the guest material can control device efficiency, related to chromaticity of white emission and the origin of excited-state complexes occurring between hole-transporting carbazole units (PVK or G3-cbz DN) and electron-transporting oxadiazole (PBD). Two excited states (exciplex and electroplex) generated at the interfaces of PVK/G3-cbz DN and PBD result in competitive emission, exhibiting a broad band in the EL spectra.

KW - dendrimers

KW - electrochemistry

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KW - exciplex

KW - luminescence

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