Time-resolved morphological study of bulk heterojunction films for efficient organic solar devices (Articolo in rivista)

Type
Label
  • Time-resolved morphological study of bulk heterojunction films for efficient organic solar devices (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jp801674v (literal)
Alternative label
  • Paci B. (1); Generosi A. (1); Rossi Albertini V. (1); Generosi R. (1); Perfetti P. (1); de Bettignies R. (2); Sentein C. (3) (2008)
    Time-resolved morphological study of bulk heterojunction films for efficient organic solar devices
    in Journal of physical chemistry. C
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paci B. (1); Generosi A. (1); Rossi Albertini V. (1); Generosi R. (1); Perfetti P. (1); de Bettignies R. (2); Sentein C. (3) (literal)
Pagina inizio
  • 9931 (literal)
Pagina fine
  • 9936 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 112 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • http://dx.doi.org/10.1021/jp801674v (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Istituto di Struttura della Materia, C.N.R., Rome, Italy (2) Laboratoire Composants Solaires CEA INES-RDI, F-73377 Le Bourget Du Lac, France (3) Commissariat a? l'E?nergie Atomique (CEA) Saclay, DRT LITEN DSEN GENEC L2C, F-91191 Gif Sur Yvette, France (literal)
Titolo
  • Time-resolved morphological study of bulk heterojunction films for efficient organic solar devices (literal)
Abstract
  • The crucial requirement of device stability in the development of organic electronics was addressed. In particular, the nanoscale morphology of bulk heterojunction organic films for photovoltaic applications was studied by time-resolved energy dispersive X-ray reflectometry in synergy with atomic force microscopy analysis. A reorganization of the organic molecules in the film upon illumination was detected. The occurrence of two distinct processes (characterized by a reorganization of the blend bulk and an increase of its surface roughness, respectively) was revealed. Furthermore, the effect of the morphological instability on the device efficiency over time was quantified. Finally, the effect of thermal annealing treatments and of the choice of different cathodes was verified. (literal)
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