Fluorescence properties of self assembled colloidal supraparticles from CdSe/CdS/ZnS nanocrystals

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Abstract

We first report the synthesis of supraparticles with a mean diameter of 130 nm consisting in a compact self-assembly of colloidal CdSe/CdS/ZnS nanocrystals encapsulated in a silica shell. This provides a system with robust optical properties such as a high quantum efficiency, a stable and Poissonian emission at room temperature. Additionally, enhancement of the photoluminescence decay rate through Förster resonance energy transfer is observed.

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Blondot, V., Bogicevic, A., Coste, A., Arnold, C., Buil, S., Quélin, X., … Hermier, J. P. (2020). Fluorescence properties of self assembled colloidal supraparticles from CdSe/CdS/ZnS nanocrystals. New Journal of Physics, 22(11). https://doi.org/10.1088/1367-2630/abc495

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