Fluorescence decay enhancement and FRET inhibition in self-assembled hybrid gold CdSe/CdS/CdZnS colloidal nanocrystals supraparticles

We report on the synthesis of hybrid light emitting particles with a diameter ranging between 100 and 500 nm, consisting in a compact semiconductor CdSe/CdS/CdZnS nanocrystal aggregate encapsulated by a controlled nanometric size silica and gold layers. We first characterize the Purcell decay rate e...

Full description

Saved in:
Bibliographic Details
Published in:arXiv.org 2022-07
Main Authors: Blondot, V, Arnold, C, Delteil, A, Gérard, D, Bogicevic, A, Pons, T, Lequeux, N, J -P Hugonin, J -J Greffet, Buil, S, J-P Hermier
Format: Article
Language:English
Subjects:
Cadmium selenides
Cadmium sulfide
Decay rate
Energy transfer
Gold
Nanocrystals
Numerical prediction
Self-assembly
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We report on the synthesis of hybrid light emitting particles with a diameter ranging between 100 and 500 nm, consisting in a compact semiconductor CdSe/CdS/CdZnS nanocrystal aggregate encapsulated by a controlled nanometric size silica and gold layers. We first characterize the Purcell decay rate enhancement corresponding to the addition of the gold nanoshell as a function of the particle size and find a good agreement with the predictions of numerical simulations. Then, we show that the contribution corresponding to F\"orster resonance energy transfer is inhibited.
ISSN:2331-8422
DOI:10.48550/arxiv.2207.03135