Alignment of Rod-Shaped Single-Photon Emitters Driven by Line Defects in Liquid Crystals (Articolo in rivista)

Type
Label
  • Alignment of Rod-Shaped Single-Photon Emitters Driven by Line Defects in Liquid Crystals (Articolo in rivista) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/adfm.201403331 (literal)
Alternative label
  • Pelliser, Laurent[1,2]; Manceau, Mathieu[3]; Lethiec, Clotilde[1,2]; Coursault, Delphine[1,2]; Vezzoli, Stefano[3,4]; Leménager, Godefroy[3]; Coolen, Laurent[1,2]; Devittorio, Massimo[5,6,7]; Pisanello, Ferruccio[6]; Carbone, Luigi[7]; Mâitre, Agnès[1,2]; Bramati, Alberto[3]; Lacaze, Emmanuelle[1,2] (2015)
    Alignment of Rod-Shaped Single-Photon Emitters Driven by Line Defects in Liquid Crystals
    in Advanced functional materials (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pelliser, Laurent[1,2]; Manceau, Mathieu[3]; Lethiec, Clotilde[1,2]; Coursault, Delphine[1,2]; Vezzoli, Stefano[3,4]; Leménager, Godefroy[3]; Coolen, Laurent[1,2]; Devittorio, Massimo[5,6,7]; Pisanello, Ferruccio[6]; Carbone, Luigi[7]; Mâitre, Agnès[1,2]; Bramati, Alberto[3]; Lacaze, Emmanuelle[1,2] (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/record/display.url?eid=2-s2.0-84922294148&origin=inward (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [1]CNRS Centre National de la Recherche Scientifique; [2]Institut des NanoSciences de Paris- CNRS UMR 7588; [3]College de France; [4]Nanyang Technological University; [5]Universita del Salento; [6]Istituto Italiano di Tecnologia; [7]National Nanotechnology Laboratory, Lecce (literal)
Titolo
  • Alignment of Rod-Shaped Single-Photon Emitters Driven by Line Defects in Liquid Crystals (literal)
Abstract
  • Arrays of liquid crystal defects-linear smectic dislocations-are used to trap semiconductor CdSe/CdS dot-in-rods which behave as single-photon emitters. Measurements of the emission diagram are combined together with measurements of the emitted polarization of the single emitters. It is shown that the dot-in-rods are confined parallel to the linear defects to allow for a minimization of the disorder energy associated with the dislocation cores. It is demonstrated that the electric dipoles associated with the dot-in-rods, tilted with respect to the rods, remain oriented in the plane including the smectic linear defects and perpendicular to the substrate, most likely due to dipole/dipole interactions between the dipoles of the liquid crystal molecules and those of the dot-in-rods. Using smectic dislocations, nanorods can consequently be oriented along a unique direction for a given substrate, independently of the ligands' nature, without any induced aggregation, leading as well to a fixed azimuthal orientation for the dot-in-rods' dipoles. These results open the way for the fine control of nanoparticle anisotropic optical properties, in particular, fine control of single-photon emission polarization. (literal)
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