An unprecedented quinoid–donor–acceptor strategy to boost the carrier mobilities of semiconducting polymers for organic field-effect transistors
Abstract
Quinoidal–aromatic conjugated polymers hold great application potential in organic field-effect transistors (OFETs). However, the development of high mobility quinoidal–aromatic conjugated polymers still lags behind the more popular donor–acceptor (D–A) conjugated polymers, mainly owing to the lack of a rational design strategy and efficient building block. Herein, a novel quinoid–donor–acceptor (Q–D–A) strategy is demonstrated to modulate the energy-level and boost the charge carrier transport mobility of conjugated polymers as opposed to the D–A system. On the basis of this strategy, a quinoidal–aromatic conjugated polymer, namely PAQM-BT, is designed and synthesized. With the combined use of quinoid, donor and acceptor units in the backbone, the resulting Q–D–A polymer PAQM-BT displays the narrowest bandgap with the deepest-lying lowest unoccupied molecular orbital (LUMO) energy level, highest backbone coplanarity, enhanced thin-film crystallinity and smallest effective hole mass ($$m^*_h$$) in comparison with the corresponding D–A polymer PT3B1 and quinoid–donor (Q–D) polymer PAQM-3T. Benefitting from the more effective intra- and inter-chain charge transport, as corroborated by experiment and theoretical calculations, OFET devices based on PAQM-BT exhibit a highly boosted hole mobility of up to 5.10 cm2 V-1 s-1, which is one and four orders of magnitude higher than that of PAQM-3T and PT3B1, respectively, and is among the highest for quinoidal–aromatic conjugated polymers. Finally, the potent Q–D–A strategy not only allows the energy level to be modulated but also leads to effective charge carrier transport, opening up possibilities to the development of high mobility quinoidal–aromatic conjugated polymers based on a variety of quinoids, donors, and acceptors.
- Authors:
-
[1];
[1];
[3];
[1];
[1];
[3];
[5]
- Guizhou University, Guiyang (China)
- Guizhong University, Guiyang (China)
- South China Univ. of Technology (SCUT), Guangzhou (China)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; Guizhou University; Functional Macromolecular Materials, China; National Natural Science Foundation of China (NSFC); USDOE
- OSTI Identifier:
- 1833831
- Alternate Identifier(s):
- OSTI ID: 1825795
- Grant/Contract Number:
- AC02-05CH11231; X2019062; 201905; 20190011; 51521002; 2019B030302007
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Materials Chemistry. A
- Additional Journal Information:
- Journal Volume: 9; Journal Issue: 41; Journal ID: ISSN 2050-7488
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; semiconducting polymers; organic field-effect transistor; molecular design strategy; quinoidal-aromatic conjugated polymers; charge carrier transport
Citation Formats
Liu, Cheng, Liu, Xuncheng, Zheng, Guohui, Gong, Xiu, Yang, Chen, Liu, Haizhen, Zhang, Lianjie, Anderson, Christopher L., He, Bo, Xie, Lan, Zheng, Rongzong, Liang, Huanhuan, Zhou, Quanfeng, Zhang, Zesheng, Chen, Junwu, and Liu, Yi. An unprecedented quinoid–donor–acceptor strategy to boost the carrier mobilities of semiconducting polymers for organic field-effect transistors. United States: N. p., 2021.
Web. doi:10.1039/d1ta06383a.
Liu, Cheng, Liu, Xuncheng, Zheng, Guohui, Gong, Xiu, Yang, Chen, Liu, Haizhen, Zhang, Lianjie, Anderson, Christopher L., He, Bo, Xie, Lan, Zheng, Rongzong, Liang, Huanhuan, Zhou, Quanfeng, Zhang, Zesheng, Chen, Junwu, & Liu, Yi. An unprecedented quinoid–donor–acceptor strategy to boost the carrier mobilities of semiconducting polymers for organic field-effect transistors. United States. https://doi.org/10.1039/d1ta06383a
Liu, Cheng, Liu, Xuncheng, Zheng, Guohui, Gong, Xiu, Yang, Chen, Liu, Haizhen, Zhang, Lianjie, Anderson, Christopher L., He, Bo, Xie, Lan, Zheng, Rongzong, Liang, Huanhuan, Zhou, Quanfeng, Zhang, Zesheng, Chen, Junwu, and Liu, Yi. Fri .
"An unprecedented quinoid–donor–acceptor strategy to boost the carrier mobilities of semiconducting polymers for organic field-effect transistors". United States. https://doi.org/10.1039/d1ta06383a. https://www.osti.gov/servlets/purl/1833831.
@article{osti_1833831,
title = {An unprecedented quinoid–donor–acceptor strategy to boost the carrier mobilities of semiconducting polymers for organic field-effect transistors},
author = {Liu, Cheng and Liu, Xuncheng and Zheng, Guohui and Gong, Xiu and Yang, Chen and Liu, Haizhen and Zhang, Lianjie and Anderson, Christopher L. and He, Bo and Xie, Lan and Zheng, Rongzong and Liang, Huanhuan and Zhou, Quanfeng and Zhang, Zesheng and Chen, Junwu and Liu, Yi},
abstractNote = {Quinoidal–aromatic conjugated polymers hold great application potential in organic field-effect transistors (OFETs). However, the development of high mobility quinoidal–aromatic conjugated polymers still lags behind the more popular donor–acceptor (D–A) conjugated polymers, mainly owing to the lack of a rational design strategy and efficient building block. Herein, a novel quinoid–donor–acceptor (Q–D–A) strategy is demonstrated to modulate the energy-level and boost the charge carrier transport mobility of conjugated polymers as opposed to the D–A system. On the basis of this strategy, a quinoidal–aromatic conjugated polymer, namely PAQM-BT, is designed and synthesized. With the combined use of quinoid, donor and acceptor units in the backbone, the resulting Q–D–A polymer PAQM-BT displays the narrowest bandgap with the deepest-lying lowest unoccupied molecular orbital (LUMO) energy level, highest backbone coplanarity, enhanced thin-film crystallinity and smallest effective hole mass ($m^*_h$) in comparison with the corresponding D–A polymer PT3B1 and quinoid–donor (Q–D) polymer PAQM-3T. Benefitting from the more effective intra- and inter-chain charge transport, as corroborated by experiment and theoretical calculations, OFET devices based on PAQM-BT exhibit a highly boosted hole mobility of up to 5.10 cm2 V-1 s-1, which is one and four orders of magnitude higher than that of PAQM-3T and PT3B1, respectively, and is among the highest for quinoidal–aromatic conjugated polymers. Finally, the potent Q–D–A strategy not only allows the energy level to be modulated but also leads to effective charge carrier transport, opening up possibilities to the development of high mobility quinoidal–aromatic conjugated polymers based on a variety of quinoids, donors, and acceptors.},
doi = {10.1039/d1ta06383a},
journal = {Journal of Materials Chemistry. A},
number = 41,
volume = 9,
place = {United States},
year = {Fri Oct 01 00:00:00 EDT 2021},
month = {Fri Oct 01 00:00:00 EDT 2021}
}
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