Wang, Suhao ORCID: 0000-0002-6295-7639, Sun, Hengda, Erdmann, Tim, Wang, Gang, Fazzi, Daniele ORCID: 0000-0002-8515-4214, Lappan, Uwe, Puttisong, Yuttapoom ORCID: 0000-0002-9690-6231, Chen, Zhihua, Berggren, Magnus ORCID: 0000-0001-5154-0291, Crispin, Xavier, Kiriy, Anton, Voit, Brigitte, Marks, Tobin J., Fabiano, Simone ORCID: 0000-0001-7016-6514 and Facchetti, Antonio (2018). A Chemically Doped Naphthalenediimide-Bithiazole Polymer for n-Type Organic Thermoelectrics. Adv. Mater., 30 (31). WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1521-4095

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Abstract

The synthesis of a novel naphthalenediimide (NDI)-bithiazole (Tz2)-based polymer [P(NDI2OD-Tz2)] is reported, and structural, thin-film morphological, as well as charge transport and thermoelectric properties are compared to the parent and widely investigated NDI-bithiophene (T2) polymer [P(NDI2OD-T2)]. Since the steric repulsions in Tz2 are far lower than in T2, P(NDI2OD-Tz2) exhibits a more planar and rigid backbone, enhancing p-p chain stacking and intermolecular interactions. In addition, the electron-deficient nature of Tz2 enhances the polymer electron affinity, thus reducing the polymer donor-acceptor character. When n-doped with amines, P(NDI2OD-Tz2) achieves electrical conductivity (approximate to 0.1 S cm(-1)) and a power factor (1.5 mu W m(-1) K-2) far greater than those of P(NDI2OD-T2) (0.003 S cm(-1) and 0.012 mu W m(-1) K-2, respectively). These results demonstrate that planarized NDI-based polymers with reduced donor-acceptor character can achieve substantial electrical conductivity and thermoelectric response.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Wang, SuhaoUNSPECIFIEDorcid.org/0000-0002-6295-7639UNSPECIFIED
Sun, HengdaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Erdmann, TimUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wang, GangUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fazzi, DanieleUNSPECIFIEDorcid.org/0000-0002-8515-4214UNSPECIFIED
Lappan, UweUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Puttisong, YuttapoomUNSPECIFIEDorcid.org/0000-0002-9690-6231UNSPECIFIED
Chen, ZhihuaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Berggren, MagnusUNSPECIFIEDorcid.org/0000-0001-5154-0291UNSPECIFIED
Crispin, XavierUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kiriy, AntonUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Voit, BrigitteUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marks, Tobin J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fabiano, SimoneUNSPECIFIEDorcid.org/0000-0001-7016-6514UNSPECIFIED
Facchetti, AntonioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-176698
DOI: 10.1002/adma.201801898
Journal or Publication Title: Adv. Mater.
Volume: 30
Number: 31
Date: 2018
Publisher: WILEY-V C H VERLAG GMBH
Place of Publication: WEINHEIM
ISSN: 1521-4095
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
CHARGE-TRANSPORT; HIGH-PERFORMANCE; CONDUCTING POLYMERS; CONJUGATED POLYMERS; ELECTRON-MOBILITY; MOLECULAR DESIGN; SOLAR-CELLS; TRANSISTORS; DIIMIDE; SEMICONDUCTORSMultiple languages
Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/17669

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