Photoluminescence spectroscopy of trions in quantum dots: A theoretical description (Articolo in rivista)

Type
Label
  • Photoluminescence spectroscopy of trions in quantum dots: A theoretical description (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.78.155316 (literal)
Alternative label
  • Juan I. Climente and Andrea Bertoni and Guido Goldoni (2008)
    Photoluminescence spectroscopy of trions in quantum dots: A theoretical description
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Juan I. Climente and Andrea Bertoni and Guido Goldoni (literal)
Pagina inizio
  • 155316 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevB.78.155316 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 78 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Climente, Juan I.; Bertoni, Andrea; Goldoni, Guido] Natl Ctr NanoStruct & BioSyst Surfaces S3, INFM, CNR, I-41100 Modena, Italy; [Climente, Juan I.] Univ Jaume 1, Dept Quim Fis & Analit, Castellon de La Plana 12080, Spain; [Goldoni, Guido] Univ Modena & Reggio Emilia, Dipartimento Fis, I-41100 Modena, Italy NANO - Istituto Nanoscienze (literal)
Titolo
  • Photoluminescence spectroscopy of trions in quantum dots: A theoretical description (literal)
Abstract
  • We present a full configuration-interaction study of the spontaneous recombination of neutral and singly charged excitons (trions) in semiconductor quantum dots from weak- to strong-coupling regimes. We find that the enhancement of the recombination rate of neutral excitons with increasing dot size is suppressed for negative trions and even reversed for positive trions. Our findings agree with recent comprehensive photoluminescence experiments in self-assembled quantum dots [P. Dalgarno , Phys. Rev. B 77, 245311 (2008)] and confirm the major role played by correlations in the valence band. The effect of the temperature on the photoluminescence spectrum and that of the ratio between the electron and hole wave-function length scales are also described. (literal)
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