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Issue 23, 2017
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Poly(3-hexylthiophene) (P3HT): fruit fly or outlier in organic solar cell research?

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Abstract

Regioregular poly(3-hexylthiophene) (P3HT) is used as a model polymer for research in organic solar cells. It is popular despite its dissimilarity in many respects to the high-performing class of polymers based on the donor–acceptor (DA) motif. For example, P3HT has a low glass-transition temperature, is highly crystalline for a semiconducting polymer, is made by a living polymerization, and contains no fused rings along the conjugated backbone; these characteristics stand in contrast to most DA polymers. These differences in structure and morphology suggest that many of the results obtained for P3HT are not directly transferable to the design and processing of new materials. This highlight proposes that focusing on a few examples of conjugated polymers based in part on the way these materials assemble in the solid state would enable greater transferability of the results from one study to another. That is, the field would benefit from having more than one “fruit fly.”

Graphical abstract: Poly(3-hexylthiophene) (P3HT): fruit fly or outlier in organic solar cell research?

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Publication details

The article was received on 24 Sep 2016, accepted on 04 Nov 2016 and first published on 07 Nov 2016


Article type: Highlight
DOI: 10.1039/C6TA08317J
Citation: J. Mater. Chem. A, 2017,5, 11396-11400
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    Poly(3-hexylthiophene) (P3HT): fruit fly or outlier in organic solar cell research?

    A. T. Kleinschmidt, S. E. Root and D. J. Lipomi, J. Mater. Chem. A, 2017, 5, 11396
    DOI: 10.1039/C6TA08317J

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