Hybrid perovskites for photovoltaics: Insights from first principles (Articolo in rivista)

Type
Label
  • Hybrid perovskites for photovoltaics: Insights from first principles (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.89.125203 (literal)
Alternative label
  • Filippetti, A.; Mattoni, A. (2014)
    Hybrid perovskites for photovoltaics: Insights from first principles
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Filippetti, A.; Mattoni, A. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 89 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Cagliari (literal)
Titolo
  • Hybrid perovskites for photovoltaics: Insights from first principles (literal)
Abstract
  • methylammonium lead iodide perovskites at the core of recently proposed solar cells with exceptionally large quantum conversion efficiency are studied by first-principles methods. Large absorption coefficients ( 0.030.04 nm(-1) for wavelength similar to 500 nm) and small effective masses suited for both n-type and p-type transport are obtained as a consequence of their peculiar structural and electronic characteristics. In particular, the presence of a direct gap between highly dispersed Pb( 6s)-I( 5(p)) valence bands and Pb( 6(p)) conduction bands is the key ingredient at the basis of their excellent performance in photovoltaic applications. (literal)
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