Photocurrent generation in a CdS nanocrystals/poly[2-methoxy-5-(2'-ethyl-exyloxy)phenylene vinylene] electrochemical cell (Articolo in rivista)

Type
Label
  • Photocurrent generation in a CdS nanocrystals/poly[2-methoxy-5-(2'-ethyl-exyloxy)phenylene vinylene] electrochemical cell (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Petrella, A.; Tamborra, M.; Cosma, P.; Curri, M. L.; Striccoli, M.; Comparelli, R.; Agostiano, A. (2008)
    Photocurrent generation in a CdS nanocrystals/poly[2-methoxy-5-(2'-ethyl-exyloxy)phenylene vinylene] electrochemical cell
    in Thin solid films (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Petrella, A.; Tamborra, M.; Cosma, P.; Curri, M. L.; Striccoli, M.; Comparelli, R.; Agostiano, A. (literal)
Pagina inizio
  • 5010 (literal)
Pagina fine
  • 5015 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 516 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Chimica, Università di Bari, via Orabona 4, I-70126 Bari, Italy CNR IPCF Sez. Bari c/o Dip. Chimica, Università di Bari, Via Orabona 4, I-70126 Bari, Italy Dipartimento di Ingegneria Civile ed Ambientale, Politecnico di Bari, Via Amendola 126/B, I-70126 Bari, Italy (literal)
Titolo
  • Photocurrent generation in a CdS nanocrystals/poly[2-methoxy-5-(2'-ethyl-exyloxy)phenylene vinylene] electrochemical cell (literal)
Abstract
  • In this paper the photoelectrochemical processes occurring in composites formed of organic-capped CdS nanocrystals and low molecular weight poly[2-methoxy-5-(22-ethyl-exyloxy)phenylene vinylene] conjugated polymer were investigated. High quality colloidal CdS nanoparticles were synthesized by means of thermal decomposition of suitable precursors in non coordinating solvents, using oleic acid as surface capping agent. The absorption and emission properties of the prepared heterojunctions were studied both in solutions and in composite films. The dispersed hybrids were also investigated as photoactive materials, focusing on the photoinduced charge transfer and recombination processes at the interface between the two components. The composites have shown a fundamental role in photoelectrochemical applications due to the presence of a great number of interfaces able to enhance the charge transfer between mixture components. Blend solutions prepared with octylamine capped CdS nanocrystals showed an improvement of the photoconductivity with respect to hybrids containing longer oleate surfactants. (literal)
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