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Xia Tong, Dehui Han, Daniel Fortin and Yue Zhao Highly Oriented Nanofibrils of Regioregular Poly(3-hexylthiophene) Formed via Block Copolymer Self-Assembly in Liquid Crystals Advanced Functional Materials 23

Article first published online: 17 AUG 2012 | DOI: 10.1002/adfm.201202056

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A novel method making use of block copolymer self-assembly in nematic liquid crystals (LCs) is described for preparing macroscopically oriented nanofibrils of π-conjugated semiconducting polymers. Upon cooling, a diblock copolymer composed of regioregular poly(3-hexylthiophene) (P3HT) and a liquid crystalline polymer (LCP) in a block-selective LC solvent can self-assemble into oriented nanofibrils exhibiting highly anisotropic absorption and polarized photoluminescence emission.

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