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A New terpyridine tethered polythiophene: electrosynthesis and characterization

Manca, Paola and Pilo, Maria Itria and Casu, Giovanni and Gladiali, Serafino Gabriele and Sanna, Gavino and Scanu, Roberta and Spano, Nadia and Zucca, Antonio and Zanardi, Chiara and Bagnis, Diego and Valentini, Luca (2011) A New terpyridine tethered polythiophene: electrosynthesis and characterization. Journal of Polymer Science. Part A: Polymer Chemistry, Vol. 49 (16), p. 3513-3523. ISSN 0887-624X. Article.

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DOI: 10.1002/pola.24786

Abstract

A novel polythiophene bearing a pendant terpyridine moiety has been synthesized by electrochemical polymerization of a new thiophene monomer, namely 4'-(2,2':5',2''-terthien-3'-ethynyl)-2,2':6',2''-terpyridine (TAT). The insertion of a conjugated ethynyl spacer between the terthiophene and the terpyridine fragments provides for an effective extension of the delocalization of electrons within the structural unit and the polymer as a whole. The synthesis and characterization of the relevant monomer, the electrosynthesis of the corresponding polymer and its electrochemical, UV–visible spectroelectrochemical and IR characterization are described. Finally, a comparison between the electrochemical, spectroscopic, and spectroelectrochemical properties of PTAT and the analogue, saturated-spacer PTTT (TTT = 4'-[(2,2':5',2''-terthien-3'-yl)methoxy]-2,2':6',2''-terpyridine) polymer is discussed.

Item Type:Article
ID Code:6208
Status:Published
Refereed:Yes
Uncontrolled Keywords:Conducting polymers, electrochemistry, FTIR, synthesis, UV–visible spectroscopy
Subjects:Area 03 - Scienze chimiche > CHIM/03 Chimica generale e inorganica
Area 03 - Scienze chimiche > CHIM/01 Chimica analitica
Area 03 - Scienze chimiche > CHIM/04 Chimica industriale
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:Wiley
ISSN:0887-624X
Copyright Holders:© 2011 Wiley Periodicals
Deposited On:04 Jul 2011 12:07

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