Temperature dependence and aging effects on silicon nanowires photoluminescence (Articolo in rivista)

Type
Label
  • Temperature dependence and aging effects on silicon nanowires photoluminescence (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Alternative label
  • Artoni Pietro; Irrera Alessia; Iacona Fabio; Pecora Emanuele Francesco; Franzò Giorgia; Priolo Francesco (2012)
    Temperature dependence and aging effects on silicon nanowires photoluminescence
    in Optics express
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Artoni Pietro; Irrera Alessia; Iacona Fabio; Pecora Emanuele Francesco; Franzò Giorgia; Priolo Francesco (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 20 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • MATIS IMM CNR, IPCF CNR (literal)
Titolo
  • Temperature dependence and aging effects on silicon nanowires photoluminescence (literal)
Abstract
  • In this paper we describe the luminescence properties of Si nanowires (NWs) prepared by a maskless synthesis technique, based on the Au-catalyzed wet etching of Si substrates by an aqueous solution of H2O2 and HF. A strong room temperature photoluminescence (PL), centered at about 690 nm, is observed when Si NWs are optically excited. The detailed analysis of the steady-state and time-resolved PL properties of the system as a function of aging, temperature and pump power allows to demonstrate that the emission is due to the radiative recombination of quantum confined excitons. These results open the route towards novel applications of Si NWs in photonics as efficient light sources. (literal)
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