Evidence for a 'dark exciton' state of PbS nanocrystals in a silicate glass (Articolo in rivista)

Type
Label
  • Evidence for a 'dark exciton' state of PbS nanocrystals in a silicate glass (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.2201885 (literal)
Alternative label
  • De Lamaestre RE; Bernas H; Pacifici D; Franzo G; Priolo F (2006)
    Evidence for a 'dark exciton' state of PbS nanocrystals in a silicate glass
    in Applied physics letters; American Institute of Physics, Melville [NY] (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • De Lamaestre RE; Bernas H; Pacifici D; Franzo G; Priolo F (literal)
Pagina inizio
  • 181115 (literal)
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  • 88 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 18 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Paris 11, CNRS, CSNSM, F-91405 Orsay, France; Corning SAS, Fontainebleau Res Ctr, F-77210 Avon, France; INFM, MATIS, I-95123 Catania, Italy; Dipartimento Fis & Astron, I-95123 Catania, Italy (literal)
Titolo
  • Evidence for a 'dark exciton' state of PbS nanocrystals in a silicate glass (literal)
Abstract
  • PbS nanocrystals (diameter of 5-7 nm) were synthesized via sulfur ion implantation in Pb-based glasses and postannealing. They display strong emission at around 1.5 mu m due to quantum confinement, and a very large photoluminescence (PL) excitation cross section. The PL intensity and decay rate temperature dependences provide evidence for a large energy splitting (ca. 30 meV) of the emitting exciton ground state fine structure, presumably due to the complex PbS electronic band structure. (c) 2006 American Institute of Physics. (literal)
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