A vinyl flanked difluorobenzothiadiazole–dithiophene conjugated polymer for high performance organic field-effect transistors
Abstract
Fluorine containing conjugated polymers have been widely applied in high performance organic solar cells, but their use in field-effect transistors is still quite limited. In this work, a conjugated polymer PTFBTV based on difluorobenzothiadiazole (DFBT) and dithiophene was synthesized, utilizing multiple vinylene as linkers. The polymer exhibits a relatively high hole mobility up to 2.0 cm2 V-1 s-1 compared with the reported DFBT–oligothiophene based polymers, yet its structural complexity is much simpler. The polymer thin film exhibits a typical ‘face on’ molecular orientation. A single crystal of its monomer revealed a non-covalent intramolecular contact between fluorine and the neighbouring proton, which strengthens the backbone co-planarity. Meanwhile an intermolecular F∙∙∙F contact was also observed, which might cause rather scattered lamellar crystallinity for PTFBTV in the solid state.
- Authors:
-
- Chongqing Univ., Chongqing (China). School of Chemistry and Chemical Engineering; Yunnan Minzu Univ., Kunming (China). YMU-HKBU Joint Lab. of Traditional Natural Medicine
- Chongqing Univ., Chongqing (China). School of Chemistry and Chemical Engineering
- Chinese Academy of Sciences (CAS), Beijing (China). Beijing National Lab. for Molecular Sciences, Inst. of Chemistry
- Yunnan Minzu Univ., Kunming (China). YMU-HKBU Joint Lab. of Traditional Natural Medicine
- Chinese Academy of Sciences (CAS), Chongqing (China). Chongqing Inst. of Green and Intelligent Technology
- Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Univ. of Chicago, IL (United States). Inst. for Molecular Engineering
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; National Natural Science Foundation of China (NSFC)
- OSTI Identifier:
- 1432056
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Materials Chemistry C
- Additional Journal Information:
- Journal Volume: 6; Journal Issue: 7; Journal ID: ISSN 2050-7526
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Liang, Xianfeng, Sun, Wandong, Chen, Yanlin, Tan, Luxi, Cai, Zhengxu, Liu, Zitong, Wang, Lin, Li, Jing, Chen, Wei, and Dong, Lichun. A vinyl flanked difluorobenzothiadiazole–dithiophene conjugated polymer for high performance organic field-effect transistors. United States: N. p., 2018.
Web. doi:10.1039/c7tc05360f.
Liang, Xianfeng, Sun, Wandong, Chen, Yanlin, Tan, Luxi, Cai, Zhengxu, Liu, Zitong, Wang, Lin, Li, Jing, Chen, Wei, & Dong, Lichun. A vinyl flanked difluorobenzothiadiazole–dithiophene conjugated polymer for high performance organic field-effect transistors. United States. https://doi.org/10.1039/c7tc05360f
Liang, Xianfeng, Sun, Wandong, Chen, Yanlin, Tan, Luxi, Cai, Zhengxu, Liu, Zitong, Wang, Lin, Li, Jing, Chen, Wei, and Dong, Lichun. Wed .
"A vinyl flanked difluorobenzothiadiazole–dithiophene conjugated polymer for high performance organic field-effect transistors". United States. https://doi.org/10.1039/c7tc05360f. https://www.osti.gov/servlets/purl/1432056.
@article{osti_1432056,
title = {A vinyl flanked difluorobenzothiadiazole–dithiophene conjugated polymer for high performance organic field-effect transistors},
author = {Liang, Xianfeng and Sun, Wandong and Chen, Yanlin and Tan, Luxi and Cai, Zhengxu and Liu, Zitong and Wang, Lin and Li, Jing and Chen, Wei and Dong, Lichun},
abstractNote = {Fluorine containing conjugated polymers have been widely applied in high performance organic solar cells, but their use in field-effect transistors is still quite limited. In this work, a conjugated polymer PTFBTV based on difluorobenzothiadiazole (DFBT) and dithiophene was synthesized, utilizing multiple vinylene as linkers. The polymer exhibits a relatively high hole mobility up to 2.0 cm2 V-1 s-1 compared with the reported DFBT–oligothiophene based polymers, yet its structural complexity is much simpler. The polymer thin film exhibits a typical ‘face on’ molecular orientation. A single crystal of its monomer revealed a non-covalent intramolecular contact between fluorine and the neighbouring proton, which strengthens the backbone co-planarity. Meanwhile an intermolecular F∙∙∙F contact was also observed, which might cause rather scattered lamellar crystallinity for PTFBTV in the solid state.},
doi = {10.1039/c7tc05360f},
journal = {Journal of Materials Chemistry C},
number = 7,
volume = 6,
place = {United States},
year = {Wed Jan 17 00:00:00 EST 2018},
month = {Wed Jan 17 00:00:00 EST 2018}
}
Web of Science
Figures / Tables:
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Figures / Tables found in this record: