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Issue 5, 2011
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Alkoxy-substituted poly(arylene-ethynylene)-alt-poly(arylene-vinylene)s: synthesis, electroluminescence and photovoltaic applications

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Abstract

Poly(arylene-ethynylene)-alt-poly(arylene-vinylene)s (PAE-PAVs) combine the intrinsic features of both poly(arylene-ethynylene) (PAE) and poly(arylene-vinylene) (PAV) in a single polymeric backbone. They exhibit enhanced electron affinity, as compared to parent poly(p-phenylene-vinylene) (PPV), making electron injection easier, placing them as potential candidates for low turn-on voltage organic light emitting diodes (OLEDs). Depending on the chemical structures, PAE-PAVs have been efficiently used either as donor materials in polymer-PCBM (phenyl-C61-butyric acid methylester) or polymer-Vinazene (2-vinyl-4,5-dicyanoimidazole) bulk heterojunction solar cells or as acceptor materials in polymer-polymer bilayer and blend solar cells. This article reviews the synthesis and properties (electroluminescence and photovoltaic) of π-conjugated alkoxy-substituted PAE-PAVs, designed by us, and which were obtained either by Horner–Wadsworth–Emmons olefination reaction of luminophoric dialdehydes with bisphosphonate esters, or Knoevenagel reaction of the same dialdehydes with dinitriles.

Graphical abstract: Alkoxy-substituted poly(arylene-ethynylene)-alt-poly(arylene-vinylene)s: synthesis, electroluminescence and photovoltaic applications

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Article information


Submitted
27 Jul 2010
Accepted
25 Nov 2010
First published
14 Dec 2010

J. Mater. Chem., 2011,21, 1338-1349
Article type
Feature Article

Alkoxy-substituted poly(arylene-ethynylene)-alt-poly(arylene-vinylene)s: synthesis, electroluminescence and photovoltaic applications

D. A. M. Egbe, H. Neugebauer and N. S. Sariciftci, J. Mater. Chem., 2011, 21, 1338
DOI: 10.1039/C0JM02429E

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