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Flow-enhanced solution printing of all-polymer solar cells
Open accessAbstract
Morphology control of solution coated solar cell materials presents a key challenge limiting their device performance and commercial viability. Here we present a new concept for controlling phase separation during solution printing using an all-polymer bulk heterojunction solar cell as a model system. The key aspect of our method lies in the design of fluid flow using a microstructured printing blade, on the basis of the hypothesis of flow-induced polymer crystallization. Our flow design resulted in a ∼90% increase in the donor thin film crystallinity and reduced microphase separated donor and acceptor domain sizes. The improved morphology enhanced all metrics of solar cell device performance across various printing conditions, specifically leading to higher short-circuit current, fill factor, open circuit voltage and significantly reduced device-to-device variation. We expect our design concept to have broad applications beyond all-polymer solar cells because of its simplicity and versatility.
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Cited by
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Self-citationRecent Progress in Inkjet‐Printed Thin‐Film Transistors
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Dahiya, R., Yogeswaran, N., Liu, F., Manjakkal, L., Burdet, E., Hayward, V., & Jörntell, H. (2019) · Proceedings of the IEEE · doi:10.1109/jproc.2019.2941366 · Cited by 309
Metadata
- Authors
- Diao, Y., Zhou, Y., Kurosawa, T., Shaw, L., Wang, C., Park, S., Guo, Y., Reinspach, J. A., Gu, K., Gu, X., Tee, B. C. K., Pang, C., Yan, H., Zhao, D., Toney, M. F., Mannsfeld, S. C. B., & Bao, Z.
- Venue
- Nature Communications
- Published
- 2015-08-12
- Volume
- 6
- Issue
- 1
- Pages
- 7955-7955
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W1938540289
- Cited by
- 254
- References
- 0
- FWCI
- 14.76
- Type
- journal article
- Language
- en
- Open access
- gold
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- Diao, Y., Zhou, Y., Kurosawa, T., Shaw, L., Wang, C., Park, S., Guo, Y., Reinspach, J. A., Gu, K., Gu, X., Tee, B. C. K., Pang, C., Yan, H., Zhao, D., Toney, M. F., Mannsfeld, S. C. B., & Bao, Z. (2015). Flow-enhanced solution printing of all-polymer solar cells. Nature Communications. https://doi.org/10.1038/ncomms8955
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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