Light absorption and conversion in solar cell based on Si:O alloy (Articolo in rivista)

Type
Label
  • Light absorption and conversion in solar cell based on Si:O alloy (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4817247 (literal)
Alternative label
  • Scapellato GG, Rubino M, Crupi I, Di Marco S, Simone F, Mirabella S (2013)
    Light absorption and conversion in solar cell based on Si:O alloy
    in Journal of applied physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Scapellato GG, Rubino M, Crupi I, Di Marco S, Simone F, Mirabella S (literal)
Pagina inizio
  • 053507 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 114 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] MATIS IMM CNR, I-95123 Catania, Italy [ 2 ] STMicroelectronics, IMS R&D, I-95121 Catania, Italy (literal)
Titolo
  • Light absorption and conversion in solar cell based on Si:O alloy (literal)
Abstract
  • Thin film Si:O alloys have been grown by plasma enhanced chemical vapor deposition, as intrinsic or highly doped (1 to 5 at. % of B or P dopant) layers. UV-visible/near-infrared spectroscopy revealed a great dependence of the absorption coefficient and of the optical gap (E-g) on the dopant type and concentration, as E-g decreases from 2.1 to 1.9 eV, for the intrinsic or highly p-doped sample, respectively. Thermal annealing up to 400 degrees C induces a huge H out-diffusion which causes a dramatic absorption increase and a reduction of E-g, down to less than 1.8 eV. A prototypal solar cell has been fabricated using a 400 nm thick, p-i-n structure made of Si:O alloy embedded within flat transparent conductive oxides. Preliminary electrical analyses show a photovoltaic (PV) effect with an open circuit voltage of 0.75 V and a spectral conversion efficiency blue-shifted in comparison to a-Si:H based cell, as expected since the higher E-g in Si:O alloy. These data are presented and discussed, suggesting Si:O alloy as promising material for PV device fabrication. (literal)
Prodotto di
Autore CNR

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
data.CNR.it