Role of thermal treatment on the luminescence properties of CdTe thin films for photovoltaic applications (Articolo in rivista)

Type
Label
  • Role of thermal treatment on the luminescence properties of CdTe thin films for photovoltaic applications (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Armani N., Salviati G., Nasi L., Bosio A., Mazzamuto S., Romeo N. (2007)
    Role of thermal treatment on the luminescence properties of CdTe thin films for photovoltaic applications
    in Thin solid films (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Armani N., Salviati G., Nasi L., Bosio A., Mazzamuto S., Romeo N. (literal)
Pagina inizio
  • 6184 (literal)
Pagina fine
  • 6187 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 515 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IMEM Institute, Parco Area delle Scienze, 37/A, 43010 Loc. Fontanini, Parma, Italy Physics Department — University of Parma, Parco Area delle Scienze, 7/A, 43100 Parma, Italy (literal)
Titolo
  • Role of thermal treatment on the luminescence properties of CdTe thin films for photovoltaic applications (literal)
Abstract
  • The efficiency of CdTe based solar cells is strongly enhanced by a thermal treatment in HCF2Cl ambient. CdTe thin films deposited on CdS/ZnO/ITO/glass by Closed Space Sublimation before and after the annealing are characterised. The CdTe morphology is studied by atomic forcemicroscopy and scanning electron microscopy. In the treated films the non-homogeneous distribution of the grain size disappears, in addition an increasing of the dimensions of the grains is observed. Cathodoluminescence analyses show a remarkable difference in the spectra between the treated and untreated structures. A strong increase in the intensity of the 1.4 eV band is observed by increasing the HCF2Cl content. A model of the electronic levels inside the CdTe band gap, due to incorporation of Cl (or F) is proposed. (literal)
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