Issue 4, 2001

Abstract

Three poly(4,4″-dipentoxy-3′-alkyl-2,2′:5′,2″-terthiophene)s with different lengths of the alkyl side-chains (dodecyl, octyl and hexyl) were prepared by cyclic voltammetry. The morphology of these polymers was found to be regular and to depend on the temperature of electrosynthesis. Better morphology was obtained in all cases for polymers prepared at somewhat higher temperatures (from 40 °C to 25 °C). The photoelectrical properties of the polymers were improved by decreasing the length of the alkyl side-chain. For the same alkyl chain length, better photoelectrical properties were found for polymers with a more regular morphology.

Graphical abstract: Effect of the synthesis temperature and the length of alkyl substituents on photoelectrical properties of polyterthiophenes

Article information

Article type
Paper
Submitted
20 Oct 2000
Accepted
02 Feb 2001
First published
27 Feb 2001

J. Mater. Chem., 2001,11, 1072-1076

Effect of the synthesis temperature and the length of alkyl substituents on photoelectrical properties of polyterthiophenes

E. M. Girotto, G. Casalbore-Miceli, N. Camaioni, M. A. D. Paoli, A. M. Fichera, L. Belobrzeckaja and M. C. Gallazzi, J. Mater. Chem., 2001, 11, 1072 DOI: 10.1039/B008479O

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