The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Design, Synthesis, and Photovoltaic Characterization of a Small Molecular Acceptor with an Ultra‐Narrow Band Gap
Abstract
The design of narrow band gap (NBG) donors or acceptors and their application in organic solar cells (OSCs) are of great importance in the conversion of solar photons to electrons. Limited by the inevitable energy loss from the optical band gap of the photovoltaic material to the open‐circuit voltage of the OSC device, the improvement of the power conversion efficiency (PCE) of NBG‐based OSCs faces great challenges. A novel acceptor–donor–acceptor structured non‐fullerene acceptor is reported with an ultra‐narrow band gap of 1.24 eV, which was achieved by an enhanced intramolecular charge transfer (ICT) effect. In the OSC device, despite a low energy loss of 0.509 eV, an impressive short‐circuit current density of 25.3 mA cm−2 is still recorded, which is the highest value for all OSC devices. The high 10.9 % PCE of the NBG‐based OSC demonstrates that the design and application of ultra‐narrow materials have the potential to further improve the PCE of OSC devices.
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Cites
Exploring the origin of high optical absorption in conjugated polymers
Vezie, M. S., Few, S., Meager, I., Pieridou, G., Dörling, B., Ashraf, R. S., Goñi, A. R., Bronstein, H., McCulloch, I., Hayes, S. C., et al. (2016) · Nature Materials · doi:10.1038/nmat4645 · Cited by 387
Cited by
Renewed Prospects for Organic Photovoltaics
Zhang, G., Lin, F. R., Qi, F., Heumüller, T., Distler, A., Egelhaaf, H.-J., Li, N., Chow, P. C. Y., Brabec, C. J., Jen, A. K.-Y., et al. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00955 · Cited by 1,052
A near-infrared porphyrin-based electron acceptor for non-fullerene organic solar cells
Guo, Y., Zhang, A., Li, C., Li, W., & Zhu, D. (2018) · Chinese Chemical Letters · doi:10.1016/j.cclet.2017.08.006 · Cited by 30
Li, R., Zhang, Y., Li, S., Chen, J., Cao, Y., Xing, D., Wang, Y., & Huang, F. (2026) · Advanced Functional Materials · doi:10.1002/adfm.202532119 · Cited by 4
Metadata
- Authors
- Yao, H., Cui, Y., Yu, R., Gao, B., Zhang, H., & Hou, J.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2017-02
- Volume
- 56
- Issue
- 11
- Pages
- 3045-3049
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2585473308
- Cited by
- 811
- References
- 1
- FWCI
- 56.05
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yao, H., Cui, Y., Yu, R., Gao, B., Zhang, H., & Hou, J. (2017). Design, Synthesis, and Photovoltaic Characterization of a Small Molecular Acceptor with an Ultra‐Narrow Band Gap. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201610944
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