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Electron Acceptors Based on α-Substituted Perylene Diimide (PDI) for Organic Solar Cells
Open accessAbstract
Perylene diimide (PDI) derivatives functionalized at the ortho-position (αPPID, αPBDT) were synthesized and used as electron acceptors in non-fullerene organic photovoltaic cells. Because of the good planarity and strong π-stacking of ortho-functionalized PDI, the αPPID and αPBDT exhibit a strong tendency to form aggregates, which endow the materials with high electron mobility. The inverted OPVs employing αPDI-based compounds as the acceptors and PBT7-Th as the donor give the highest power conversion efficiency (PCE) values: 4.92% for αPBDT-based devices and 3.61% for αPPID-based devices, which are, respectively, 39% and 4% higher than that of their β-substituted counterparts βPBDT and βPPID. Charge separation studies show more efficient exciton dissociation at interfaces between αPDI-based compounds and PTB7-Th. The results suggest that α-substituted PDI derivatives are more promising electron acceptors for organic photovoltaic (OPV) components than β-isomers.
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Cites
Bay-linked perylene bisimides as promising non-fullerene acceptors for organic solar cells
Jiang, W., Ye, L., Li, X., Xiao, C., Tan, F., Zhao, W., Hou, J., & Wang, Z. (2014) · Chem. Commun. · doi:10.1039/c3cc47204c · Cited by 307
Cited by
Recent progress in non-fullerene small molecule acceptors in organic solar cells (OSCs)
Chen, W., & Zhang, Q. (2017) · Journal of Materials Chemistry C · doi:10.1039/c6tc05066b · Cited by 407
Self-citationFeng, X., Wang, X., Redshaw, C., & Tang, B. Z. (2023) · Chemical Society Reviews · doi:10.1039/d3cs00251a · Cited by 382
Non-fullerene small molecule acceptors based on perylene diimides
Liu, Z., Wu, Y., Zhang, Q., & Gao, X. (2016) · Journal of Materials Chemistry A · doi:10.1039/c6ta06978a · Cited by 316
Metadata
- Authors
- Zhao, D., Wu, Q., Cai, Z., Zheng, T., Chen, W., Lu, J., & Yu, L.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-02-02
- Volume
- 28
- Issue
- 4
- Pages
- 1139-1146
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2290870228
- Cited by
- 222
- References
- 1
- FWCI
- 20.58
- Type
- journal article
- Language
- en
- Open access
- green
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- Zhao, D., Wu, Q., Cai, Z., Zheng, T., Chen, W., Lu, J., & Yu, L. (2016). Electron Acceptors Based on α-Substituted Perylene Diimide (PDI) for Organic Solar Cells. Chemistry of Materials. https://doi.org/10.1021/acs.chemmater.5b04570
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