Publication: Layer-by-layer spray coating of a stacked perovskite absorber for perovskite solar cells with better performance and stability under a humid environment
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Issued Date
2020-01-01
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ISSN
21593930
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2-s2.0-85096474675
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Mahidol University
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SCOPUS
Bibliographic Citation
Optical Materials Express. Vol.10, No.7 (2020), 1497-1508
Suggested Citation
Koth Amratisha, Jitprabhat Ponchai, Paphada Kaewurai, Pimsuda Pansa-ngat, Kusuma Pinsuwan, Pisist Kumnorkaew, Pipat Ruankham, Pongsakorn Kanjanaboos Layer-by-layer spray coating of a stacked perovskite absorber for perovskite solar cells with better performance and stability under a humid environment. Optical Materials Express. Vol.10, No.7 (2020), 1497-1508. doi:10.1364/OME.391546 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/60505
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Title
Layer-by-layer spray coating of a stacked perovskite absorber for perovskite solar cells with better performance and stability under a humid environment
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Abstract
© 2020 © 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement Perovskite is an emerging material for high performance solar cell application with low-cost solution-processable fabrication. As an ink, perovskite composition can be easily modified to create semi-transparent solar cells for window replacement. To enable scalable large-scale production, the spray process is one of the major candidates. In this work, we developed sequential spray deposition (SSD) to create double layer absorbers from different dimensional perovskites. SSD, for the first time, achieves layer-by-layer deposition of different perovskite materials for stacked architecture. To demonstrate the benefits, we spray-coated lower dimension, more stable perovskite onto high performance yet sensitive 3D semi-transparent perovskite. SSD performed under a humid environment (40 - 50% RH) brings about better film stability and retains good performance of 3D perovskite. Sequential spray deposition opens new routes for various stacking designs and large-scale production under economical ambient conditions.