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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
Places of action
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article
X‐Ray Nanoanalysis Revealing the Role of Electronically Active Passivation Layers in Perovskite X‐Ray film Detectors
Abstract
<jats:title>Abstract</jats:title><jats:p>X‐ray direct detectors based on hybrid lead‐halide perovskite have seen a dramatic increase of interest in the last years. A rush for the achievement of high performing devices drives the scientific community. In this context, several photoconductor sensors employ functional layers to increase the gain effect, but the full comprehension of the mechanism is still lacking. Here, X‐ray nanoanalysis is used, performed by simultaneous acquisition of X‐ray Fluorescence and X‐ray Beam Induced Current maps, to investigate at the nanoscale level the role of [6,6]‐phenyl‐C61‐butyric acid methyl ester fullerene (PCBM) molecules when interacting with MAPbI<jats:sub>3</jats:sub> polycrystalline thin films acting as photo‐conductors in X‐ray detectors. At the device‐scale level it shows that the addition of PCBM enhances the X‐ray sensitivity by four times. At the nanoscale level how the perovskite grain boundaries act as high photocurrent generation centers is demonstrated. The addition of the PCBM increases the photocurrent generation, as the macroscopic performance does, and the charge collection becomes uniform over the full crystallite volume. The results clarify the role of grain boundaries and charge selecting layers and establish the X‐ray nanoanalysis techniques as a powerful tool to investigate charge transport and collection in perovskite films.</jats:p>