Synthesis of highly regioregular poly[3-(4-alkoxyphenyl)-thiophene]s by oxidative catalysis using copper complexes (pages 4351–4360)
Laura Ricciotti, Fabio Borbone, Antonio Carella, Roberto Centore, Antonio Roviello, Mario Barra, Giuseppina Roviello, Claudio Ferone, Carla Minarini and Pasquale Morvillo
Article first published online: 19 JUL 2013 | DOI: 10.1002/pola.26849
A novel, easy, and cost-effective synthesis is reported for the production of very highly regioregular poly[3-(4-alkoxyphenyl)thiophene]s by means of oxidative coupling. Four copper complexes were synthesized and used as catalysts to obtain polymers with regioregularity much higher than that obtained by previous oxidative coupling methodologies reported in the literature. Their regioregularity was investigated by UV–Visible characterization on polymer thin films and 1H-NMR analysis. The polymers show reasonably high mobility up to 4 × 10−4 cm2 V−1 s−1.