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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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Pierucci, Debora
Institut des NanoSciences de Paris
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Advancing the Coupling of III-V Quantum Dots to Photonic Structures to Shape Their Emission Diagramcitations
- 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
- 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
- 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
- 2017Stacking fault and defects in single domain multilayered hexagonal boron nitridecitations
- 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
- 2017Direct observation of the band structure in bulk hexagonal boron nitridecitations
- 2017Electronic structure of CdSe-ZnS 2D nanoplateletscitations
- 2016van der Waals Epitaxy of GaSe/Graphene Heterostructure: Electronic and Interfacial Propertiescitations
- 2016Band Alignment and Minigaps in Monolayer MoS 2 ‑Graphene van der Waals Heterostructurescitations
Places of action
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article
Electronic structure of CdSe-ZnS 2D nanoplatelets
Abstract
International audience ; Among colloidal nanocrystals, 2D nanoplatelets (NPLs) made of cadmium chalcogenides have led to especially well controlled optical features. However, the growth of core shell heterostructures has so far been mostly focused on CdS shells, while more confined materials will be more promising to decouple the emitting quantum states of the core from their external environment. Using k·p simulation, we demonstrate that a ZnS shell reduces by a factor 10 the leakage of the wavefunction into the surrounding medium. Using X-ray photoemission (XPS), we confirm that the CdSe active layer is indeed unoxidized. Finally, we build an effective electronic spectrum for these CdSe/ZnS NPLs on an absolute energy scale which is a critical set of parameters for the future integration of this material into optoelectronic devices. We determine the work function (WF) to be 4.47 eV while the material is behaving as an n-type semiconductor.