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A vacuum flash–assisted solution process for high-efficiency large-area perovskite solar cells

Open access
Li, Xiong, Bi, Dongqin, Yi, Chenyi, Décoppet, Jean-David, Luo, Jingshan, Zakeeruddin, Shaik Mohammed, Hagfeldt, Anders, Grätzel, Michael·2016·Science

Abstract

Metal halide perovskite solar cells (PSCs) currently attract enormous research interest because of their high solar-to-electric power conversion efficiency (PCE) and low fabrication costs, but their practical development is hampered by difficulties in achieving high performance with large-size devices. We devised a simple vacuum flash–assisted solution processing method to obtain shiny, smooth, crystalline perovskite films of high electronic quality over large areas. This enabled us to fabricate solar cells with an aperture area exceeding 1 square centimeter, a maximum efficiency of 20.5%, and a certified PCE of 19.6%. By contrast, the best certified PCE to date is 15.6% for PSCs of similar size. We demonstrate that the reproducibility of the method is excellent and that the cells show virtually no hysteresis. Our approach enables the realization of highly efficient large-area PSCs for practical deployment.

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Metadata

Authors
Li, X., Bi, D., Yi, C., Décoppet, J.-D., Luo, J., Zakeeruddin, S. M., Hagfeldt, A., & Grätzel, M.
Venue
Science
Published
2016-07
Volume
353
Issue
6294
Pages
58-62
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2410619939
Cited by
1,915
References
2
FWCI
163.89
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: A vacuum flash–assisted solution process for high-efficiency large-area perovskite solar cells. https://app.cochat.ai/papers/10.1126/science.aaf8060
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Li, X., Bi, D., Yi, C., Décoppet, J.-D., Luo, J., Zakeeruddin, S. M., Hagfeldt, A., & Grätzel, M. (2016). A vacuum flash–assisted solution process for high-efficiency large-area perovskite solar cells. Science. https://doi.org/10.1126/science.aaf8060

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