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CdSe/CdS Dot-in-Rods Nanocrystals Fast Blinking Dynamics.
Manceau, M; Vezzoli, S; Glorieux, Q; Giacobino, E; Carbone, L; De Vittorio, M; Hermier, J-P; Bramati, A.
Affiliation
  • Manceau M; Laboratoire Kastler Brossel, Sorbonne Université, CNRS, ENS-PSL Research University, Collège de France, 4, place Jussieu Case 74, F-75005, Paris, France.
  • Vezzoli S; Université Paris 13, Sorbonne Paris Cité, Laboratoire de Physique des Lasers, F-93430, Villetaneuse, France.
  • Glorieux Q; The Blackett Laboratory, Department of Physics, Imperial College London, London, SW72AZ, United Kingdom.
  • Giacobino E; Laboratoire Kastler Brossel, Sorbonne Université, CNRS, ENS-PSL Research University, Collège de France, 4, place Jussieu Case 74, F-75005, Paris, France.
  • Carbone L; Laboratoire Kastler Brossel, Sorbonne Université, CNRS, ENS-PSL Research, University, Collège de France, 4, place Jussieu Case 74, F-75005, Paris, France.
  • De Vittorio M; CNR NANOTEC-Institute of Nanotechnology c/o Campus Ecotekne, University of Salento, Via Monteroni -, 73100, Lecce, Italy.
  • Hermier JP; Istituto Italiano di Tecnologia (IIT) Center for Bio-Molecular Nanotechnologies Via Barsanti sn, 73010 Arnesano (Lecce), Italy, CNR NANOTEC-Institute of Nanotechnology c/o Campus Ecotekne, University of Salento, Via Monteroni -, 73100, Lecce, Italy.
  • Bramati A; Groupe d'Etude de la Matière Condensée (GEMaC), Université de Versailles Saint-Quentin-en-Yvelines, CNRS UMR 8635, Université Paris-Saclay, 45 Avenue des Etats-Unis, 78035, Versailles Cedex, France.
Chemphyschem ; 2018 Oct 03.
Article in En | MEDLINE | ID: mdl-30281885
ABSTRACT
Analyzing the autocorrelation function of the fluorescence intensity, we demonstrate that these nanoemitters are characterized by a short value of the mean duration of bright periods (ten to a few hundreds of microseconds). The comparison of the results obtained for samples with different geometries shows that not only the shell thickness is crucial but also the shape of the dot-in-rods. Increasing the shell aspect ratio results in shorter bright periods suggesting that surface traps impact the stability of the fluorescence intensity.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chemphyschem Journal subject: BIOFISICA / QUIMICA Year: 2018 Type: Article Affiliation country: France
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Chemphyschem Journal subject: BIOFISICA / QUIMICA Year: 2018 Type: Article Affiliation country: France