Thermoelectric Properties of Solution-Processed n-Doped Ladder-Type Conducting Polymers

Publication: Research - peer-reviewJournal article – Annual report year: 2016

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  • Author: Wang, Suhao

    Linköping University, Sweden

  • Author: Sun, Hengda

    Linköping University, Sweden

  • Author: Ail, Ujwala

    Linköping University, Sweden

  • Author: Vagin, Mikhail

    Linköping University, Sweden

  • Author: Persson, Per O. Å.

    Linköping University, Sweden

  • Author: Andreasen, Jens Wenzel

    Imaging and Structural Analysis, Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399, 4000, Roskilde, Denmark

  • Author: Thiel, Walter

    Max-Planck-Institut fur Kohlenforschung, Germany

  • Author: Berggren, Magnus

    Linköping University, Sweden

  • Author: Crispin, Xavier

    Linköping University, Sweden

  • Author: Fazzi, Daniele

    Max-Planck-Institut fur Kohlenforschung, Germany

  • Author: Fabiano, Simone

    Linköping University, Sweden

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Ladder-type "torsion-free" conducting polymers (e.g., polybenzimidazobenzophenanthroline (BBL)) can outperform "structurally distorted" donor-acceptor polymers (e.g., P(NDI2OD-T2)), in terms of conductivity and thermoelectric power factor. The polaron delocalization length is larger in BBL than in P(NDI2OD-T2), resulting in a higher measured polaron mobility. Structure-function relationships are drawn, setting material-design guidelines for the next generation of conducting thermoelectric polymers.
Original languageEnglish
JournalAdvanced Materials
Volume28
Issue number48
Pages (from-to)10764–10771
Number of pages8
ISSN0935-9648
DOIs
StatePublished - 2016
CitationsWeb of Science® Times Cited: 21

    Keywords

  • Broken symmetry DFT, Conducting polymers, Ladder-type, N-doping, Polarons
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