Fused perylene diimide-based polymeric acceptors with different $$\mathcal{π}$$-conjugation and molecular conformation in all polymer solar cells
Abstract
Two perylene diimide (PDI) based polymeric acceptors, PFPDIBT-TT2F and PFPDIT-TT2F, which consist of fused-PDI moieties (FPDIBT and FPDIT) and 3,3'-difluoro-2,2'-bithiophene (TT2F) units, has been designed and synthesized. Compared with the unfused-PDI polymer (PPDI-TT2F) as the control molecule, the influence of structural conformation and π-conjugation extension on the performance of all-polymer solar cells has been investigated. Due to both the extended π-conjugation and the torsional polymer skeleton, the device adopting PFPDIT-TT2F achieved an obviously improved PCE of 5.11% comparing with the devices using the other two polymeric acceptors. This study demonstrates that the fused PDIs bridged by a thiophene enables both extended π-conjugation and twisted molecular conformation, and the latter plays a dominant role in the improvement of device performance.
- Authors:
-
- Nanjing Technical University (China)
- University of Nottingham, Ningbo (China)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC); Natural Science Foundation of Jiangsu Province; Natural Science Foundation of China
- OSTI Identifier:
- 1876273
- Grant/Contract Number:
- AC05-00OR22725; BK20191358; 22075135
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Dyes and Pigments
- Additional Journal Information:
- Journal Volume: 204; Journal Issue: 1; Journal ID: ISSN 0143-7208
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Shen, Guangrui, Wang, Ling, Wu, Xia, Yuan, Peng, Tang, Yumin, Chen, Yumeng, Hang, Xiao-Chun, Chen, Zhi-Kuan, Zhang, Honghai, and Sun, Zhengyi. Fused perylene diimide-based polymeric acceptors with different $\mathcal{π}$-conjugation and molecular conformation in all polymer solar cells. United States: N. p., 2022.
Web. doi:10.1016/j.dyepig.2022.110462.
Shen, Guangrui, Wang, Ling, Wu, Xia, Yuan, Peng, Tang, Yumin, Chen, Yumeng, Hang, Xiao-Chun, Chen, Zhi-Kuan, Zhang, Honghai, & Sun, Zhengyi. Fused perylene diimide-based polymeric acceptors with different $\mathcal{π}$-conjugation and molecular conformation in all polymer solar cells. United States. https://doi.org/10.1016/j.dyepig.2022.110462
Shen, Guangrui, Wang, Ling, Wu, Xia, Yuan, Peng, Tang, Yumin, Chen, Yumeng, Hang, Xiao-Chun, Chen, Zhi-Kuan, Zhang, Honghai, and Sun, Zhengyi. Fri .
"Fused perylene diimide-based polymeric acceptors with different $\mathcal{π}$-conjugation and molecular conformation in all polymer solar cells". United States. https://doi.org/10.1016/j.dyepig.2022.110462. https://www.osti.gov/servlets/purl/1876273.
@article{osti_1876273,
title = {Fused perylene diimide-based polymeric acceptors with different $\mathcal{π}$-conjugation and molecular conformation in all polymer solar cells},
author = {Shen, Guangrui and Wang, Ling and Wu, Xia and Yuan, Peng and Tang, Yumin and Chen, Yumeng and Hang, Xiao-Chun and Chen, Zhi-Kuan and Zhang, Honghai and Sun, Zhengyi},
abstractNote = {Two perylene diimide (PDI) based polymeric acceptors, PFPDIBT-TT2F and PFPDIT-TT2F, which consist of fused-PDI moieties (FPDIBT and FPDIT) and 3,3'-difluoro-2,2'-bithiophene (TT2F) units, has been designed and synthesized. Compared with the unfused-PDI polymer (PPDI-TT2F) as the control molecule, the influence of structural conformation and π-conjugation extension on the performance of all-polymer solar cells has been investigated. Due to both the extended π-conjugation and the torsional polymer skeleton, the device adopting PFPDIT-TT2F achieved an obviously improved PCE of 5.11% comparing with the devices using the other two polymeric acceptors. This study demonstrates that the fused PDIs bridged by a thiophene enables both extended π-conjugation and twisted molecular conformation, and the latter plays a dominant role in the improvement of device performance.},
doi = {10.1016/j.dyepig.2022.110462},
journal = {Dyes and Pigments},
number = 1,
volume = 204,
place = {United States},
year = {Fri Jun 03 00:00:00 EDT 2022},
month = {Fri Jun 03 00:00:00 EDT 2022}
}
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