Unraveling the Main Chain and Side Chain Effects on Thin Film Morphology and Charge Transport in Quinoidal Conjugated Polymers
Abstract
Three series of low-bandgap polymers based on a novel quinoidal para-azaquinodimethane (p-AQM) unit are devised and synthesized, enabling an in-depth study of the impact of structural factors such as polymer main chain, branching point of the side chain, and the length of the branch chains on the thin film morphologies and charge transport properties. Morphological studies reveal that the polymers composed of larger repeating units exhibit a stronger tendency to form edge-on lamella. In contrast, altering the side chain structures of polymers with the same main chain configuration indicates that the branching point position has a more deterministic impact than the branch chain length on the interchain interactions and the crystallite orientation. These results demonstrate a compound odd-even effect of the branching point on the chain packing and morphology, which correlates well with the corresponding field effect transistor performances. The polymer with the branching point at the fourth carbon displays the highest charge carrier mobility over 1.0 cm2 V-Three series of low-bandgap polymers based on a novel quinoidal para-azaquinodimethane (p-AQM) unit are devised and synthesized, enabling an in-depth study of the impact of structural factors such as polymer main chain, branching point of the side chain, and the length ofmore »
- Authors:
-
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); South China Univ. of Technology (SCUT), Guangzhou (China)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Univ. of Castilla–La Mancha, Albacete (Spain)
- Jaén Univ. (Spain)
- South China Univ. of Technology (SCUT), Guangzhou (China)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC); China Scholarship Council
- OSTI Identifier:
- 1530370
- Alternate Identifier(s):
- OSTI ID: 1785874
- Grant/Contract Number:
- AC02-05CH11231; DE‐AC02‐05CH11231; DE‐AC02‐05‐CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Advanced Functional Materials
- Additional Journal Information:
- Journal Volume: 28; Journal Issue: 31; Journal ID: ISSN 1616-301X
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; charge transport; conjugated polymer; low bandgap; morphology; quinoidal
Citation Formats
Liu, Xuncheng, He, Bo, Garzón-Ruiz, Andrés, Navarro, Amparo, Chen, Teresa L., Kolaczkowski, Matthew A., Feng, Shizhen, Zhang, Lianjie, Anderson, Christopher A., Chen, Junwu, and Liu, Yi. Unraveling the Main Chain and Side Chain Effects on Thin Film Morphology and Charge Transport in Quinoidal Conjugated Polymers. United States: N. p., 2018.
Web. doi:10.1002/adfm.201801874.
Liu, Xuncheng, He, Bo, Garzón-Ruiz, Andrés, Navarro, Amparo, Chen, Teresa L., Kolaczkowski, Matthew A., Feng, Shizhen, Zhang, Lianjie, Anderson, Christopher A., Chen, Junwu, & Liu, Yi. Unraveling the Main Chain and Side Chain Effects on Thin Film Morphology and Charge Transport in Quinoidal Conjugated Polymers. United States. https://doi.org/10.1002/adfm.201801874
Liu, Xuncheng, He, Bo, Garzón-Ruiz, Andrés, Navarro, Amparo, Chen, Teresa L., Kolaczkowski, Matthew A., Feng, Shizhen, Zhang, Lianjie, Anderson, Christopher A., Chen, Junwu, and Liu, Yi. Tue .
"Unraveling the Main Chain and Side Chain Effects on Thin Film Morphology and Charge Transport in Quinoidal Conjugated Polymers". United States. https://doi.org/10.1002/adfm.201801874. https://www.osti.gov/servlets/purl/1530370.
@article{osti_1530370,
title = {Unraveling the Main Chain and Side Chain Effects on Thin Film Morphology and Charge Transport in Quinoidal Conjugated Polymers},
author = {Liu, Xuncheng and He, Bo and Garzón-Ruiz, Andrés and Navarro, Amparo and Chen, Teresa L. and Kolaczkowski, Matthew A. and Feng, Shizhen and Zhang, Lianjie and Anderson, Christopher A. and Chen, Junwu and Liu, Yi},
abstractNote = {Three series of low-bandgap polymers based on a novel quinoidal para-azaquinodimethane (p-AQM) unit are devised and synthesized, enabling an in-depth study of the impact of structural factors such as polymer main chain, branching point of the side chain, and the length of the branch chains on the thin film morphologies and charge transport properties. Morphological studies reveal that the polymers composed of larger repeating units exhibit a stronger tendency to form edge-on lamella. In contrast, altering the side chain structures of polymers with the same main chain configuration indicates that the branching point position has a more deterministic impact than the branch chain length on the interchain interactions and the crystallite orientation. These results demonstrate a compound odd-even effect of the branching point on the chain packing and morphology, which correlates well with the corresponding field effect transistor performances. The polymer with the branching point at the fourth carbon displays the highest charge carrier mobility over 1.0 cm2 V-Three series of low-bandgap polymers based on a novel quinoidal para-azaquinodimethane (p-AQM) unit are devised and synthesized, enabling an in-depth study of the impact of structural factors such as polymer main chain, branching point of the side chain, and the length of the branch chains on the thin film morphologies and charge transport properties. Morphological studies reveal that the polymers composed of larger repeating units exhibit a stronger tendency to form edge-on lamella. On the other hand, altering the side chain structures of polymers with the same main chain configuration indicates that the branching point position has a more deterministic impact than the branch chain length on the interchain interactions and the crystallite orientation. These results reflect a compound odd-even effect of the branching point on the chain packing and morphology, which correlates well with the corresponding field effect transistor performances. The polymer with the branching point at the fourth carbon displays the highest charge carrier mobility over 1.0 cm2 V-1 s-1, concurrent with a bimodal texture. This study provides a comprehensive description of the correlations between polymer structures, thin film morphology, and device performances, providing a clear path to desirable bimodal thin film texture for charge transport.},
doi = {10.1002/adfm.201801874},
journal = {Advanced Functional Materials},
number = 31,
volume = 28,
place = {United States},
year = {Tue Jun 05 00:00:00 EDT 2018},
month = {Tue Jun 05 00:00:00 EDT 2018}
}
Web of Science
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