The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
Roll-to-roll gravure-printed flexible perovskite solar cells using eco-friendly antisolvent bathing with wide processing window
Open accessAbstract
Driven by recent improvements in efficiency and stability of perovskite solar cells (PSCs), upscaling of PSCs has come to be regarded as the next step. Specifically, a high-throughput, low-cost roll-to-roll (R2R) processes would be a breakthrough to realize the commercialization of PSCs, with uniform formation of precursor wet film and complete conversion to perovskite phase via R2R-compatible processes necessary to accomplish this goal. Herein, we demonstrate the pilot-scale, fully R2R manufacturing of all the layers except for electrodes in PSCs. Tert-butyl alcohol (tBuOH) is introduced as an eco-friendly antisolvent with a wide processing window. Highly crystalline, uniform formamidinium (FA)-based perovskite formation via tBuOH:EA bathing was confirmed by achieving high power conversion efficiencies (PCEs) of 23.5% for glass-based spin-coated PSCs, and 19.1% for gravure-printed flexible PSCs. As an extended work, R2R gravure-printing and tBuOH:EA bathing resulted in the highest PCE reported for R2R-processed PSCs, 16.7% for PSCs with R2R-processed SnO 2/FA-perovskite, and 13.8% for fully R2R-produced PSCs.
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Cited by
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Flexible and Wearable Optoelectronic Devices Based on Perovskites
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Metadata
- Authors
- Kim, Y. Y., Yang, T.-Y., Suhonen, R., Kemppainen, A., Hwang, K., Jeon, N. J., & Seo, J.
- Venue
- Nature Communications
- Published
- 2020-10-13
- Volume
- 11
- Issue
- 1
- Pages
- 5146-5146
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W3092176741
- Cited by
- 319
- References
- 40
- FWCI
- 15.28
- Type
- journal article
- Language
- en
- Open access
- gold
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