Engineering Bicolor Emission in 2D Core/Crown CdSe/CdSe 1– x Te x Nanoplatelet Heterostructures Using Band-Offset Tuning
Résumé
Colloidal quantum dots (QDs) are now being used as the new generation of phosphor for displays. White light is obtained by combining the blue emission of a diode with green and red population of QDs. Having bicolor emission within a single nanocrystal population can be even more convenient. Here, we demonstrate that bicolor emission can be obtained from 2D nanoplatelets (NPLs) with a core/crown geometry. In CdSe/CdTe NPLs with type II band alignment, only the charge transfer emission was observed so far due to the very fast (
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Soumis le : jeudi 2 juillet 2020-15:13:09
Dernière modification le : vendredi 19 avril 2024-16:18:59
Archivage à long terme le : jeudi 24 septembre 2020-04:59:37
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Marion Dufour, Violette Steinmetz, Eva Izquierdo, Thomas Pons, Nicolas Lequeux, et al.. Engineering Bicolor Emission in 2D Core/Crown CdSe/CdSe 1– x Te x Nanoplatelet Heterostructures Using Band-Offset Tuning. Journal of Physical Chemistry C, 2017, 121 (44), pp.24816 - 24823. ⟨10.1021/acs.jpcc.7b06527⟩. ⟨hal-01668079⟩
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