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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Wu, Luyan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2023Stabilization of Inorganic Perovskite Solar Cells with a 2D Dion–Jacobson Passivating Layercitations
- 2023Stabilisation of Inorganic Perovskite Solar Cells with A 2d Dion-Jacobson Passivating Layercitations
- 2023Stabilisation of Inorganic Perovskite Solar Cells with A 2d Dion-Jacobson Passivating Layercitations
- 2023Exciton dissociation in 2D layered metal-halide perovskitescitations
- 2022White light emission with unity efficiency from Cs 2 Na 1−x Ag x In 1−y Bi y Cl 6 double perovskites:the role of bismuth and silvercitations
- 2022Direct measurement of radiative decay rates in metal halide perovskites†citations
- 2022White light emission with unity efficiency from Cs2Na1−xAgxIn1−yBiyCl6 double perovskitescitations
- 2022Direct measurement of radiative decay rates in metal halide perovskitescitations
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article
Stabilization of Inorganic Perovskite Solar Cells with a 2D Dion–Jacobson Passivating Layer
Abstract
<jats:title>Abstract</jats:title><jats:p>Inorganic metal halide perovskites such as CsPbI<jats:sub>3</jats:sub> are promising for high‐performance, reproducible, and robust solar cells. However, inorganic perovskites are sensitive to humidity, which causes the transformation from the black phase to the yellow δ, non‐perovskite phase. Such phase instability has been a significant challenge to long‐term operational stability. Here, a surface dimensionality reduction strategy is reported, using 2‐(4‐aminophenyl)ethylamine cation to construct a Dion–Jacobson 2D phase that covers the surface of the 3D inorganic perovskite structure. The Dion–Jacobson layer mainly grows at the grain boundaries of the perovskite, effectively passivating surface defects and providing favourable interfacial charge transfer. The resulting inorganic perovskite films exhibit excellent humidity resistance when submerged in an aqueous solution (isopropanol:water = 4:1 v/v) and exposed to a 50% humidity air atmosphere. The Dion–Jacobson 2D/3D inorganic perovskite solar cell (PSC) achieves a power conversion efficiency (PCE) of 19.5% with a <jats:italic>V</jats:italic><jats:sub>oc</jats:sub> of 1.197 eV. It retains 83% of its initial PCE after 1260 h of maximum power point tracking under 1.2 sun illumination. The work demonstrates an effective way for stabilizing efficient inorganic perovskite solar cells.</jats:p>