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Regioregular Poly(3-hexylthiophene) in a Novel Conducting Amphiphilic Block Copolymer

✍ Scribed by C. Rockford Craley; Rui Zhang; Tomasz Kowalewski; Richard D. McCullough; Mihaela C. Stefan

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
357 KB
Volume
30
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Regioregular poly(3‐hexylthiophene) has been successfully incorporated into a novel amphiphilic block copolymer. The amphiphilic nature of poly(3‐hexylthiophene)‐block‐poly(acrylic acid) has been investigated using spectroscopic methods and has yielded solvatochromic behavior in several solvents of varying polarity. Evidence suggests that a supramolecular, long range ordering of block copolymer occurs in polar solvents, resulting in the formation of aggregates. Despite relatively large amounts of non‐conductive blocks, the poly(3‐hexylthiophene) diblock copolymer yields a high conductivity of 1 S · cm^−1^, and atomic force microscopy shows the formation of a highly organized nanofibrilar morphology in the solid state.

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