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A versatile star-shaped organic semiconductor based on benzodithiophene and diketopyrrolopyrrole

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Abstract

We report the synthesis of a new star-shaped π-conjugated oligomer, BDT(DPP)4, containing a benzodithiophene core and four diketopyrrolopyrrole arms. The thermal, electrochemical and optical properties are characterized and the results complemented by computational studies. The utility of the molecule is demonstrated in both solar cell and field-effect transistor devices. In the former, BDT(DPP)4 displays low efficiency when used as an acceptor in blends with poly(3-hexylthiophene) but exhibits promising performance as a donor, in blends with either a fullerene or a non-fullerene acceptor. In field-effect transistors BDT(DPP)4 exhibits typical p-type transistor behavior, which is in accordance with its better donor performance in solar cell devices.

Graphical abstract: A versatile star-shaped organic semiconductor based on benzodithiophene and diketopyrrolopyrrole

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Publication details

The article was received on 15 Feb 2019, accepted on 01 Apr 2019 and first published on 01 Apr 2019


Article type: Paper
DOI: 10.1039/C9TC00905A
Citation: J. Mater. Chem. C, 2019, Advance Article

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    A versatile star-shaped organic semiconductor based on benzodithiophene and diketopyrrolopyrrole

    Q. He, M. Shahid, J. Panidi, A. V. Marsh, W. Huang, M. Daboczi, J. Kim, Z. Fei, T. D. Anthopoulos and M. Heeney, J. Mater. Chem. C, 2019, Advance Article , DOI: 10.1039/C9TC00905A

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