NDLI: Cross-linked luminescent films via electropolymerization of multifunctional precursors for highly efficient electroluminescence

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Back cover

Polymer Chemistry Vol - 4 Issue - 5

Polymer Chemistry Vol - 4 Issue - 4

Polymer Chemistry Vol - 4 Issue - 3

Polymer Chemistry Vol -3

Polymer Chemistry Vol -2

Polymer Chemistry Vol -1

Cross-linked luminescent films via electropolymerization of multifunctional precursors for highly efficient electroluminescence

Content Provider	Royal Society of Chemistry (RSC)
Author	Ma, Yuguang Yao, Liang Zhang, Yunan Gu, Cheng Xu, Yuanxiang Xie, Zengqi Lv, Ying Liu, Linlin
Copyright Year	2013
Abstract	To fabricate stable organic light-emitting diodes, a cross-linked network that firmly fixes the position of the chromophore is an ideal structure, because quenching caused by aggregation and/or phase separation effects can be effectively restrained in such robust films. Herein, in situ electropolymerization (EP) of fluorene-based precursors containing multi-electroactive carbazole units (multi-functionality) is utilized to construct highly cross-linked, smooth and compact luminescent films for highly efficient and stable electroluminescent devices. Cyclic voltammetry (CV), UV and atomic force microscopy (AFM) studies of the series of precursors with varied functionality (2, 4 and 8) reveal that increasing the functionality of the EP precursor can significantly increase the deposition rate, cross-linking degree and packing density as well as the luminous efficiency and stability of the fabricated EP films. The electrode kinetic parameters, determined by CV and chronocoulometry (CC), indicate that such improvements in EP film properties could be attributed to the enhanced interfacial electron-transfer rate. These observations could potentially offer a new approach to adjust the microstructures of EP films and provide a simple way of enhancing the performance of organic luminescent devices.
Starting Page	2090
Ending Page	2096
Page Count	7
File Format	HTM / HTML PDF
ISSN	17599954
Volume Number	4
Issue Number	6
Journal	Polymer Chemistry
DOI	10.1039/c3py21075h
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Cyclic voltammetry Nanoarchitectures for lithium-ion batteries Electrode Extended play Atomic-force microscopy Electroluminescence Carbazole Chromophore
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry Bioengineering Biomedical Engineering Polymers and Plastics

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