The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
Efficient Organic Solar Cell with 16.88% Efficiency Enabled by Refined Acceptor Crystallization and Morphology with Improved Charge Transfer and Transport Properties
Abstract
Single‐layered organic solar cells (OSCs) using nonfullerene acceptors have reached 16% efficiency. Such a breakthrough has inspired new sparks for the development of the next generation of OSC materials. In addition to the optimization of electronic structure, it is important to investigate the essential solid‐state structure that guides the high efficiency of bulk heterojunction blends, which provides insight in understanding how to pair an efficient donor–acceptor mixture and refine film morphology. In this study, a thorough analysis is executed to reveal morphology details, and the results demonstrate that Y6 can form a unique 2D packing with a polymer‐like conjugated backbone oriented normal to the substrate, controlled by the processing solvent and thermal annealing conditions. Such morphology provides improved carrier transport and ultrafast hole and electron transfer, leading to improved device performance, and the best optimized device shows a power conversion efficiency of 16.88% (16.4% certified). This work reveals the importance of film morphology and the mechanism by which it affects device performance. A full set of analytical methods and processing conditions are executed to achieve high efficiency solar cells from materials design to device optimization, which will be useful in future OSC technology development.
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Cites
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Self-citationAn Electron Acceptor Challenging Fullerenes for Efficient Polymer Solar Cells
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Self-citationOrganic solar cells based on non-fullerene acceptors
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Non-fullerene acceptors for organic solar cells
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Fullerene‐Free Polymer Solar Cells with over 11% Efficiency and Excellent Thermal Stability
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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
Zhang, G., Chen, X.-K., Xiao, J., Chow, P. C. Y., Ren, M., Kupgan, G., Jiao, X., Chan, C. C. S., Du, X., Xia, R., et al. (2020) · Nature Communications · doi:10.1038/s41467-020-17867-1 · Cited by 721
Self-citationZhu, L., Zhang, M., Zhou, G., Wang, Z., Zhong, W., Zhuang, J., Zhou, Z., Gao, X., Kan, L., Hao, B., et al. (2024) · Joule · doi:10.1016/j.joule.2024.08.001 · Cited by 630
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Bao, S., Yang, H., Fan, H., Zhang, J., Wei, Z., Cui, C., & Li, Y. (2021) · Advanced Materials · doi:10.1002/adma.202105301 · Cited by 325
Metadata
- Authors
- Zhu, L., Zhang, M., Zhou, G., Hao, T., Xu, J., Wang, J., Qiu, C., Prine, N., Ali, J., Feng, W., Gu, X., Ma, Z., Tang, Z., Zhu, H., Ying, L., Zhang, Y., & Liu, F.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2020-03-20
- Volume
- 10
- Issue
- 18
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W3011388529
- Cited by
- 585
- References
- 40
- FWCI
- 35.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhu, L., Zhang, M., Zhou, G., Hao, T., Xu, J., Wang, J., Qiu, C., Prine, N., Ali, J., Feng, W., Gu, X., Ma, Z., Tang, Z., Zhu, H., Ying, L., Zhang, Y., & Liu, F. (2020). Efficient Organic Solar Cell with 16.88% Efficiency Enabled by Refined Acceptor Crystallization and Morphology with Improved Charge Transfer and Transport Properties. Advanced Energy Materials. https://doi.org/10.1002/aenm.201904234
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