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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202204807
|2 doi
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|a eng
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|a Kim, Hui-Seon
|e verfasserin
|4 aut
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|a Future Research Directions in Perovskite Solar Cells
|b Exquisite Photon Management and Thermodynamic Phase Stability
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 26.10.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a As power conversion efficiency (PCE) of perovskite solar cells (PSCs) has rapidly increased up to 25.7% in 2022, a curiosity about the achievable limit of the PCE has prevailed and demands understanding about the underlying fundamentals to step forward. Meanwhile, outstanding long-term stability of PSCs over 1000 h has been reported at operating conditions or under damp heat test with 85 °C/85% relative humidity. Herein comes the question as to whether the phase stability issue of perovskite crystal is completely resolved in the most recent state-of-the-art perovskite film or if it deceives everyone into believing so by significantly slowing the kinetics. On the one hand, the fundamental origins of a discrepancy between reported values and the theoretical limit are thoroughly examined, where the importance of light management is greatly emphasized with the introduction of external luminescence as a key parameter to narrow the gap. On the other hand, the phase stability of a perovskite film is understood from thermodynamic point of view to address viable approaches to lower the Gibbs free energy, distinguishing the kinetically trapped condition from the thermodynamically stable phase
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|a Journal Article
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|a Review
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|a Gibbs free energy
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| 650 |
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|a external luminescence
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|a perovskites
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|a phase stabilities
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|a solar cells
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|a theoretical limits
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|a Park, Nam-Gyu
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 43 vom: 15. Okt., Seite e2204807
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|g volume:35
|g year:2023
|g number:43
|g day:15
|g month:10
|g pages:e2204807
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|u http://dx.doi.org/10.1002/adma.202204807
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