Issue 20, 2013

Triarylamine polymers of bridged phenylenes by (N-heterocyclic carbene)-palladium catalysed C–N coupling

Abstract

A library of triarylamine copolymers with 2,7-fluorene, 3,7-dibenzo[b,d]thiophene and 2,7-carbazole units incorporated in the polymer backbone is reported. The polymers were synthesised by using C–N coupling of anilines and dibromoarenes, catalysed by N-heterocyclic carbene complexes of palladium. The properties of the polymers were tuned by changing the nature of the fused ring structure and the substitution of the pendant benzene of the arylamine. The use of these polymers as the charge transporting layer of an OFET is demonstrated with the highest mobility found for polymers derived from 2,7-dibromo-9,9′-dioctylfluorene and 4-methoxy-2-methylaniline.

Graphical abstract: Triarylamine polymers of bridged phenylenes by (N-heterocyclic carbene)-palladium catalysed C–N coupling

Supplementary files

Article information

Article type
Paper
Submitted
26 Feb 2013
Accepted
08 Apr 2013
First published
09 Apr 2013

J. Mater. Chem. C, 2013,1, 3327-3336

Triarylamine polymers of bridged phenylenes by (N-heterocyclic carbene)-palladium catalysed C–N coupling

R. S. Sprick, M. Hoyos, J. J. Morrison, I. M. Grace, C. Lambert, O. Navarro and M. L. Turner, J. Mater. Chem. C, 2013, 1, 3327 DOI: 10.1039/C3TC30368C

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