A Structurally Simple but High-Performing Donor–Acceptor Polymer for Field-Effect Transistor Applications

Filip Aniés, Simeng Wang, Thomas Hodsden, Julianna Panidi, Zhuping Fei, Xuechen Jiao, Yi Hang Cherie Wong, Christopher R. McNeill, Thomas D. Anthopoulos, Martin Heeney

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10 Scopus citations


A straightforward synthesis is reported for four structurally simple donor–acceptor conjugated polymers based on an alkylated difluorobenzotriazole and either unsubstituted bithiophene (T2) or thienylvinylthiophene (TVT) co-monomers. Two solubilizing sidechains are investigated in which the position of the branching point is moved away from the conjugated backbone. Optoelectronic measurements and density functional theory calculations show very similar energetic properties between the polymers, with a slightly narrower bandgap for the vinylene incorporating TVT polymers as a result of extended conjugation. Transistor measurements demonstrate that the simplest polymer, containing a readily available 2-decyltetradecyl sidechain with a T2 co-monomer, exhibits the best device performance, with an average saturated mobility of 0.2 cm2 V−1 s−1.
Original languageEnglish (US)
Pages (from-to)2000490
JournalAdvanced Electronic Materials
StatePublished - Jul 20 2020

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: F.A. and S.W. contributed equally to this work. The authors thank the EPRSC (EP/ L016702/1), the Royal Society and the Wolfson Foundation for funding. This research was performed in part at the SAXS/WAXS beamline at the Australian Synchrotron, part of ANSTO. T.D.A. acknowledges King Abdullah University of Science and Technology (KAUST) for financial support. F.A. acknowledges the Wilkinson Foundation for financial support.


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