Issue 8, 2010
From the journal:

New Journal of Chemistry

Phosphole-based π-conjugated electroluminescent materials for OLEDs†‡

Damien Joly,a   Denis Tondelier,b   Valérie Deborde,a   Bernard Geffroy,*b   Muriel Hissler*a  and  Régis Réau*a  

* Corresponding authors

a Sciences Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France
E-mail: rreau@univ-rennes1.fr, mhissler@univ-rennes1.fr
Fax: +33 (0)2 23 23 69 39
Tel: +33 (0)2 23 23 57 83

b CEA/LITEN & LPICM, Ecole Polytechnique, 91128 Palaiseau, France

Abstract

Novel mixed phosphole–fluorene π-conjugated systems have been prepared using the Fagan–Nugent route. Their optical (UV-visible absorption, fluorescence spectra) and electrochemical properties have been systematically evaluated. The variation of the substitution pattern of phosphole derivatives and chemical modification of their P atoms afford thermally stable derivatives which are photoluminescent. The use of these derivatives as emitters in OLEDs strongly depends on the substituent linked on the P-atom. The gold complexes are not stable electroluminescent materials since they decompose rapidly when the devices are operating. In contrast, the thiooxophospholes are stable electroluminescent materials, and the OLEDs incorporating these derivatives as emitters display very high performances.

Graphical abstract: Phosphole-based π-conjugated electroluminescent materials for OLEDs

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Article information

DOI
https://doi.org/10.1039/C0NJ00122H
Article type
Paper
Submitted
15 Feb 2010
Accepted
18 Mar 2010
First published
12 May 2010

New J. Chem., 2010,34, 1603-1611

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Phosphole-based π-conjugated electroluminescent materials for OLEDs

D. Joly, D. Tondelier, V. Deborde, B. Geffroy, M. Hissler and R. Réau, New J. Chem., 2010, 34, 1603 DOI: 10.1039/C0NJ00122H

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