| People | Locations | Statistics |
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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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Kazim, Samrana
Material Physics Center
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Optical constants manipulation of formamidinium lead iodide perovskites: ellipsometric and spectroscopic twiggingcitations
- 2023Probing proton diffusion as a guide to environmental stability in powder-engineered FAPbI3 and CsFAPbI3 perovskitescitations
- 2022Molecular Interface Engineering via Triazatruxene-Based Moieties/NiOx as Hole-Selective Bilayers in Perovskite Solar Cells for Reliabilitycitations
- 2022The versatility of polymers in perovskite solar cellscitations
- 2021Protocol for Deciphering the Electrical Parameters of Perovskite Solar Cells Using Immittance Spectroscopycitations
- 2020Dibenzo-tetraphenyl diindeno perylene as hole transport layer for high-bandgap perovskite solar cellscitations
- 2020Dibenzo-tetraphenyl diindeno perylene as hole transport layer for high-bandgap perovskite solar cellscitations
- 2017Cu(II) and Zn(II) based Phthalocyanines as hole selective layers for Perovskite solar cellscitations
Places of action
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article
Probing proton diffusion as a guide to environmental stability in powder-engineered FAPbI3 and CsFAPbI3 perovskites
Abstract
Pre-synthesized perovskite powder is advantageous for device reliability. Arguably, the water uptake capability is critical for the stability of α-FAPbI 3 thin films, and the migration of hydrogen species is challenging to elucidate using routine techniques such as imaging or mass spectroscopy. Here, we decipher the proton diffusion to quantify indirect monitoring of H migration by following the N-D vibration using transmission infrared spectroscopy. Allows the direct assessment of the deterioration of perovskite by moisture. The inclusion of a minor amount of Cs in FAPbI 3 , reveals significant differences in proton diffusion rates attesting to its impact. Its ability to access the active layer by water molecules is five times, lower than FAPbI 3, which is lower than MAPbI 3. This protocol directly correlates with the local environment of the materials and engages with a range of semiconductors to identify the material's reliability and intrinsic degradation mechanisms toward its suitability for optoelectronic applications.