Investigation of low cost carbonaceous materials for application as counter electrode in dye-sensitized solar cells (Articolo in rivista)

Type
Label
  • Investigation of low cost carbonaceous materials for application as counter electrode in dye-sensitized solar cells (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s10800-009-9841-2 (literal)
Alternative label
  • Denaro, T. ; Baglio, V. ; Girolamo, M. ; Antonucci, V. ; Aricò, A. S. ; Matteucci, F. ; Ornelas, R. (2009)
    Investigation of low cost carbonaceous materials for application as counter electrode in dye-sensitized solar cells
    in Journal of Applied Electrochemistry; Springer, Dordrecht (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Denaro, T. ; Baglio, V. ; Girolamo, M. ; Antonucci, V. ; Aricò, A. S. ; Matteucci, F. ; Ornelas, R. (literal)
Pagina inizio
  • 2173 (literal)
Pagina fine
  • 2179 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 39 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ITAE Institute, via Salita S. Lucia sopra Contesse, 5, 98126 Messina, Italy TRE Tozzi Renewable Energy S.p.A., via Zuccherificio, 10, 48010 Mezzano, RA, Italy (literal)
Titolo
  • Investigation of low cost carbonaceous materials for application as counter electrode in dye-sensitized solar cells (literal)
Abstract
  • The structural and morphologic properties of different carbonaceous materials were studied by X-ray diffraction (XRD), Brunauer-Emmet-Teller (BET) porosimetry and transmission electron microscopy (TEM) analyses. The electrochemical behaviour of these powders used as counter electrode in dye-sensitized solar cells (DSSCs) was investigated by polarization experiments and electron impedance spectroscopy. Results were compared with DSSC using Pt as counter electrode. All DSSCs based on the carbonaceous materials showed conversion efficiencies higher than those equipped with Pt. Among the various carbon materials investigated, Acetylene Black in conjunction with graphite showed the best performance. This was interpreted from the physico-chemical analysis as due to a compromise between pores accessibility for the I3- reactant presents in electrolyte and appropriate surface graphiticity index of this carbonaceous material. A high degree of graphitization for the carbon black was found to enhance electron conduction and charge transfer properties. (literal)
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