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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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Petrozza, Annamaria
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (28/28 displayed)
- 2024How Photogenerated I 2 Induces I-Rich Phase Formation in Lead Mixed Halide Perovskitescitations
- 2024Stabilizing Single‐Source Evaporated Perovskites with Organic Interlayers for Amplified Spontaneous Emissioncitations
- 2024Mutual Destabilization of Wide Bandgap Perovskite and PbI<sub>2</sub> Inclusions through Interface Carrier Trappingcitations
- 2024Electron Spectroscopy and Microscopy: A Window into the Surface Electronic Properties of Polycrystalline Metal Halide Perovskitescitations
- 2024How Photogenerated I2 Induces I-Rich Phase Formation in Lead Mixed Halide Perovskitescitations
- 2024Understanding the Surface Chemistry of Tin Halide Perovskitescitations
- 2023Defect Engineering to Achieve Photostable Wide Bandgap Metal Halide Perovskitescitations
- 2023How Photogenerated I2 Induces I‐rich Phase Formation in Lead Mixed Halide Perovskitescitations
- 2023X‐Ray Nanoanalysis Revealing the Role of Electronically Active Passivation Layers in Perovskite X‐Ray film Detectorscitations
- 2023Tuning Structure and Excitonic Properties of 2D Ruddlesden–Popper Germanium, Tin, and Lead Iodide Perovskites via Interplay between Cationscitations
- 2023How Halide Alloying Influences the Optoelectronic Quality in Tin-Halide Perovskite Solar Absorberscitations
- 2023Structural effects on the luminescence properties of CsPbI 3 nanocrystalscitations
- 2022Photoluminescence Intensity Enhancement in Tin Halide Perovskitescitations
- 2021Coordinating Solvent-Assisted Synthesis of Phase-Stable Perovskite Nanocrystals with High Yield Production for Optoelectronic Applicationscitations
- 2021Moisture resistance in perovskite solar cells attributed to a water-splitting layercitations
- 2021High‐Sensitivity Flexible X‐Ray Detectors based on Printed Perovskite Inkscitations
- 2020Colourful luminescence of metal halide perovskites – from fundamentals to applicationscitations
- 2020Humidity-robust scalable metal halide perovskite film deposition for photovoltaic applicationscitations
- 2019Controlling competing photochemical reactions stabilizes perovskite solar cellscitations
- 2019Defect activity in lead halide perovskitescitations
- 2018Iodine chemistry determines the defect tolerance of lead-halide perovskitescitations
- 2018Interfacial Morphology Addresses Performance of Perovskite Solar Cells Based on Composite Hole Transporting Materials of Functionalized Reduced Graphene Oxide and P3HTcitations
- 2017Migration of cations induces reversible performance losses over day/night cycling in perovskite solar cellscitations
- 2016Photoinduced emissive trap states in lead halide perovskite semiconductorscitations
- 2015Improving the long-term stability of perovskite solar cells with a porous Al2O3 buffer-layercitations
- 2015Role of microstructure in the electron–hole interaction of hybrid lead halide perovskitescitations
- 2015Improving the Long-Term Stability of Perovskite Solar Cells with a Porous Al O Buffer Layercitations
- 2014Lead-free organic–inorganic tin halide perovskites for photovoltaic applicationscitations
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article
Understanding the Surface Chemistry of Tin Halide Perovskites
Abstract
<jats:title>Abstract</jats:title><jats:p>The role of tin fluoride in defining the complex surface chemistry of tin halide perovskites (THP) is investigated. It is shown that oxygen is found on the surface of tin perovskite thin films even if prepared under a virtually inert environment; however, the presence of SnF<jats:sub>2</jats:sub> strongly affects the chemical nature of the found species. Oxygen primarily binds to tin in the form of SnO<jats:sub>2</jats:sub> only when SnF<jats:sub>2</jats:sub> is added to the precursor solution, while it preferentially binds to carbon and hydrogen in pristine materials. Thanks to the spatial mapping of both the local chemical environment and photoluminescence, it is shown that pristine films have a higher accumulation of iodine at the grain boundaries while the addition of SnF<jats:sub>2</jats:sub> allows for preserving the perovskite phase and reducing chemical and optical heterogeneities. Finally, SnF<jats:sub>2</jats:sub> does not help in avoiding nor slowing down the degradation of the perovskite film when exposed to ambient air and oxidation occurs on the whole THP‐grain surface. These results provide insightful guidance toward understanding oxidation in THPs and elucidate its detrimental effect on the material's properties.</jats:p>