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Issue 38, 2013
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Hierarchical network-like structure of poly(3-hexlthiophene) (P3HT) by accelerating the disentanglement of P3HT in a P3HT/PS (polystyrene) blend

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Abstract

We accelerate the disentanglement of poly(3-hexlthiophene) (P3HT) in the P3HT/polystyrene (PS) blend film to improve the crystallinity of P3HT via thermal treatment. When the P3HT/PS blend film was heated at a temperature higher than the glass transition temperature (Tg) of PS, PS with a small molecular weight played a role as a “solvent” to dissolve the P3HT. Thus, the P3HT molecule chains moved relatively freely in PS to accelerate the disentanglement. As the temperature was reduced, the ordered P3HT nanowhiskers formed spontaneously without any confinement. Finally, a network-like hierarchical structure was obtained, which is governed by intrinsic properties of the blend system and crystallization conditions. This work enriches the ways to improve crystalline order in polymer thin films with less chain entanglement during the crystallization process of conjugated polymers.

Graphical abstract: Hierarchical network-like structure of poly(3-hexlthiophene) (P3HT) by accelerating the disentanglement of P3HT in a P3HT/PS (polystyrene) blend

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Publication details

The article was received on 30 Apr 2013, accepted on 12 Jul 2013 and first published on 16 Jul 2013


Article type: Paper
DOI: 10.1039/C3RA42128G
Citation: RSC Adv., 2013,3, 17195-17202
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    Hierarchical network-like structure of poly(3-hexlthiophene) (P3HT) by accelerating the disentanglement of P3HT in a P3HT/PS (polystyrene) blend

    Y. Xu, J. Liu, H. Wang and Y. Han, RSC Adv., 2013, 3, 17195
    DOI: 10.1039/C3RA42128G

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