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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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Boehme, Simon C.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024Size- and temperature-dependent lattice anisotropy and structural distortion in CsPbBr 3 quantum dots by reciprocal space X-ray total scattering analysiscitations
- 2024Quantifying the Size‐Dependent Exciton‐Phonon Coupling Strength in Single Lead‐Halide Perovskite Quantum Dotscitations
- 2024Quantifying the size-ddependent exciton-phonon coupling strength in single lead-halide perovskite quantum dotscitations
- 2024Quantifying Förster resonance energy transfer from single perovskite quantum dots to organic dyescitations
- 2024Designer phospholipid capping ligands for soft metal halide nanocrystalscitations
- 2023Strongly Confined CsPbBr3 Quantum Dots as Quantum Emitters and Building Blocks for Rhombic Superlatticescitations
- 2023Strongly Confined CsPbBr3 Quantum Dots as Quantum Emitters and Building Blocks for Rhombic Superlattices.
- 2023Size‐ and Temperature‐Dependent Lattice Anisotropy and Structural Distortion in CsPbBr<sub>3</sub> Quantum Dots by Reciprocal Space X‐ray Total Scattering Analysiscitations
- 2023Strongly confined CsPbBr 3 quantum dots as quantum emitters and building blocks for rhombic superlatticescitations
- 2023Designer Phospholipid Capping Ligands for Soft Metal Halide Nanocrystalscitations
- 2021Correlating Ultrafast Dynamics, Liquid Crystalline Phases, and Ambipolar Transport in Fluorinated Benzothiadiazole Dyescitations
- 2021Pressure-induced perovskite-to-non-perovskite phase transition in CsPbBr 3citations
- 2021Pressure‐Induced Perovskite‐to‐non‐Perovskite Phase Transition in CsPbBr<sub>3</sub>citations
- 2021Synthesis and characterization of the ternary nitride semiconductor Zn 2 VN 3 : theoretical prediction, combinatorial screening, and epitaxial stabilizationcitations
- 2021Hybrid 0D antimony halides as air-stable luminophores for high-spatial-resolution remote thermographycitations
- 2018Extraordinary Interfacial Stitching between Single All-Inorganic Perovskite Nanocrystalscitations
- 2018Extraordinary Interfacial Stitching between Single All-Inorganic Perovskite Nanocrystalscitations
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article
Extraordinary Interfacial Stitching between Single All-Inorganic Perovskite Nanocrystals
Abstract
<p>All-inorganic cesium lead halide perovskite nanocrystals are extensively studied because of their outstanding optoelectronic properties. Being of a cubic shape and typically featuring a narrow size distribution, CsPbX<sub>3</sub> (X = Cl, Br, and I) nanocrystals are the ideal starting material for the development of homogeneous thin films as required for photovoltaic and optoelectronic applications. Recent experiments reveal spontaneous merging of drop-casted CsPbBr<sub>3</sub> nanocrystals, which is promoted by humidity and mild-temperature treatments and arrested by electron beam irradiation. Here, we make use of atom-resolved annular dark-field imaging microscopy and valence electron energy loss spectroscopy in a state-of-the-art low-voltage monochromatic scanning transmission electron microscope to investigate the aggregation between individual nanocrystals at the atomic level. We show that the merging process preserves the elemental composition and electronic structure of CsPbBr<sub>3</sub> and takes place between nanocrystals of different sizes and orientations. In particular, we reveal seamless stitching for aligned nanocrystals, similar to that reported in the past for graphene flakes. Because the crystallographic alignment occurs naturally in drop-casted layers of CsPbX<sub>3</sub> nanocrystals, our findings constitute the essential first step toward the development of large-area nanosheets with band gap energies predesigned by the nanocrystal choice - the gateway to large-scale photovoltaic applications of inorganic perovskites.</p>