Synthesis, characterization and electrochemical properties of new functional polythiophenes

Novel fully soluble polythiophene derivatives containing halogen or ester moieties at the end of a tetramethylenic side chain were synthesized using either the direct oxidative polymerization procedure of functionalized thiophene or the post polymerization functionalization of the preformed polymeri...

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Bibliographic Details
Published in:Synthetic metals 2010-12, Vol.160 (23), p.2681-2686
Main Authors: Salatelli, E., Angiolini, L., Brazzi, A., Lanzi, M., Scavetta, E., Tonelli, D.
Format: Article
Language:English
Subjects:
Applied sciences
Chains (polymeric)
Conducting polymers
Cyclic voltammetry
Derivatives
Esters
Exact sciences and technology
Functional polythiophenes
Halogens
Organic polymers
Physical properties
Physicochemistry of polymers
Polymeric precursors
Polymerization
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
Solvents
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Summary:Novel fully soluble polythiophene derivatives containing halogen or ester moieties at the end of a tetramethylenic side chain were synthesized using either the direct oxidative polymerization procedure of functionalized thiophene or the post polymerization functionalization of the preformed polymeric precursor. The structures of the polymers were characterized and their physical properties carefully investigated. High average molecular weights ( M ¯ n up to 30,550 g/mol) and thermostable products were obtained. The absorption wavelength of the polymers in different solvents can be tuned up by varying the composition of solvent mixtures. Cyclic voltammetry measurements displayed good charge transport properties, strongly related to the kind of substituent linked to the side chain.
ISSN:0379-6779
1879-3290
DOI:10.1016/j.synthmet.2010.10.026