Polarimetry-based analysis of dipolar transitions of single colloidal CdSe/CdS dot-in-rods (Articolo in rivista)

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  • Polarimetry-based analysis of dipolar transitions of single colloidal CdSe/CdS dot-in-rods (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1367-2630/16/9/093014 (literal)
Alternative label
  • Lethiec C.; Pisanello F.; Carbone L.; Bramati A.; Coolen L.; Maitre A. (2014)
    Polarimetry-based analysis of dipolar transitions of single colloidal CdSe/CdS dot-in-rods
    in New journal of physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lethiec C.; Pisanello F.; Carbone L.; Bramati A.; Coolen L.; Maitre A. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84907202344&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 16 (literal)
Rivista
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  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Sorbonne Universités, UPMC Univ. Paris 06, Institut des NanoSciences de Paris, Paris, F-75005, France; CNRS, UMR 7588, Institut des NanoSciences de Paris, Paris, F-75005, France; Istituto Italiano di Tecnologia (IIT), Center for Bio-Molecular Nanotechnologies, Via Barsanti sn, Lecce, Arnesano, 73010, Italy; NNL, Istituto Nanoscienze-CNR, c/o Distretto Tecnologico, Via per Arnesano 16, Lecce, 73100, Italy; Laboratoire Kastler Brossel, Université Pierre et Marie Curie, Ecole Normale Supérieure et CNRS, Case 74, 4 place Jussieu, Paris Cedex 05, 75252, France (literal)
Titolo
  • Polarimetry-based analysis of dipolar transitions of single colloidal CdSe/CdS dot-in-rods (literal)
Abstract
  • We use polarization resolved micro-photoluminescence to analyze the dipolar nature of single core/shell cadmium selenide/cadmium sulfide (CdSe/CdS) dot-in-rods. Polarization analysis, anisotropy measurements on more than 400 nanoparticles, and defocused imaging suggest that these nanoparticles behave as linear dipoles. The same methods were also used to determine the three-dimensional orientation of the emission dipole, which proved to be consistent with the hypothesis of a linear dipole tilted with respect to the rod axis. Moreover, we observe that for high-energy pumping, the excitation transition of the dot-in-rod cannot be approximated by a single linear dipole, contrary to the emission transition. (literal)
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