| 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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Lhuillier, Emmanuel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Advancing the Coupling of III-V Quantum Dots to Photonic Structures to Shape Their Emission Diagramcitations
- 2024The Electronic Impact of Light-Induced Degradation in CsPbBr3 Perovskite Nanocrystals at Gold Interfacescitations
- 2024THz scanning near-field microscopy of HgTe nanocrystals
- 2023Unidirectional Rashba spin splitting in single layer WS<sub>2(1−x)</sub>Se<sub>2x</sub> alloycitations
- 2023Unidirectional Rashba Spin Splitting in Single Layer WS2(1-x)Se2x alloycitations
- 2022Chiral Helices Formation by Self-Assembled Molecules on Semiconductor Flexible Substratescitations
- 2022Evidence for highly p-type doping and type II band alignment in large scale monolayer WSe2/Se-terminated GaAs heterojunction grown by molecular beam epitaxycitations
- 2022Critical role of water on the synthesis and gelling of gamma-In2S3 nanoribbons with giant aspect ratio
- 2022Colloidal II–VI—Epitaxial III–V heterostructure: A strategy to expand InGaAs spectral responsecitations
- 2021Indirect to direct band gap crossover in two-dimensional WS2(1−x)Se2x alloyscitations
- 2021Indirect to direct band gap crossover in two-dimensional WS 2(1-x) Se 2x alloys
- 2020A nanoplatelet-based light emitting diode and its use for all-nanocrystal LiFi-like communicationcitations
- 2020Time Resolved Photoemission to Unveil Electronic Coupling Between Absorbing and Transport Layers in a Quantum Dot Based Solar Cellcitations
- 2020Interactions Between Topological Defects and Nanoparticlescitations
- 2020Pushing absorption of perovskite nanocrystals into the infraredcitations
- 2020Pushing absorption of perovskite nanocrystals into the infraredcitations
- 2019Nanophotonic approaches for integrated quantum photonics
- 2019Halide Ligands to Release Strain in Cadmium Chalcogenide Nanoplatelets and Achieve High Brightnesscitations
- 2018Fine structure of excitons and electron–hole exchange energy in polymorphic CsPbBr 3 single nanocrystalscitations
- 2017Interface dipole and band bending in the hybrid p − n heterojunction Mo S 2 / GaN ( 0001 )citations
- 2017Interface dipole and band bending in the hybrid p − n heterojunction Mo S 2 / GaN ( 0001 )citations
- 2017Probing Charge Carrier Dynamics to Unveil the Role of Surface Ligands in HgTe Narrow Band Gap Nanocrystalscitations
- 2017Electronic structure of CdSe-ZnS 2D nanoplateletscitations
- 2016van der Waals Epitaxy of GaSe/Graphene Heterostructure: Electronic and Interfacial Propertiescitations
- 2016Phototransport in colloidal nanoplatelets arraycitations
- 2011Thermal properties of mid-infrared colloidal quantum dot detectorscitations
Places of action
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article
Interactions Between Topological Defects and Nanoparticles
Abstract
Liquid Crystal (LC) topological defects have been shown to trap nanoparticles (NPs) in the defect cores. The LC topological defects may thus be used as a matrix for new kinds of NP organizations templated by the defect geometry. We here study composites of LC smectic dislocations and gold NPs. Straight NP chains parallel to the dislocations are obtained leading to highly anisotropic optical absorption of the NPs controlled by light polarization. Combining Grazing Incidence Small Angle X-ray scattering (GISAXS), Rutherford Back Scattering (RBS), Spectrophotometry and the development of a model of interacting NPs, we explore the role of the Np size regarding the dislocation core size. We use NPs of diameter D = 6 nm embedded in an array of different kinds of dislocations. For dislocation core larger than the NP size, stable long chains are obtained but made of poorly interacting NPs. For dislocation core smaller than the NP size, the disorder is induced outside the dislocation cores and the NP chains are not equilibrium structures. However we show that at least half of these small dislocations can be filled, leading to chains with strongly enhanced electromagnetic coupling between the NPs. These chains are more probably stabilized by the elastic distortions around the defect cores, the distortion being enhanced by the presence of the grain boundary where the dislocations are embedded.