Mesoscopic donor-acceptor multilayer by ultra-high-vacuum co-deposition of Zn-tetraphenyl-porphirin and C70 (Articolo in rivista)

Type
Label
  • Mesoscopic donor-acceptor multilayer by ultra-high-vacuum co-deposition of Zn-tetraphenyl-porphirin and C70 (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ja806914g (literal)
Alternative label
  • Paolo Vilmercati; Carla Castellarin-Cudia; Ralph Gebauer; Prasenjit Ghosh; Silvano Lizzit; Luca Petaccia; Cinzia Cepek; Rosanna Larciprete; Alberto Verdini; Luca Floreano; Alberto Morgante; Andrea Goldoni (2009)
    Mesoscopic donor-acceptor multilayer by ultra-high-vacuum co-deposition of Zn-tetraphenyl-porphirin and C70
    in Journal of the American Chemical Society (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paolo Vilmercati; Carla Castellarin-Cudia; Ralph Gebauer; Prasenjit Ghosh; Silvano Lizzit; Luca Petaccia; Cinzia Cepek; Rosanna Larciprete; Alberto Verdini; Luca Floreano; Alberto Morgante; Andrea Goldoni (literal)
Pagina inizio
  • 644 (literal)
Pagina fine
  • 652 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 131 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Sincrotrone Trieste S.C.p.A.; Universita` di Trieste; International Center for Theoretical Physics (ICTP); National Simulation Center INFM-Democritos; National Laboratory TASC-INFM-CNR; CNR, Institute of Complex Systems. (literal)
Titolo
  • Mesoscopic donor-acceptor multilayer by ultra-high-vacuum co-deposition of Zn-tetraphenyl-porphirin and C70 (literal)
Abstract
  • The peculiar electrochemical and photophysical properties of porphyrin and fullerene molecules make them promising candidates for the construction of two- and three-dimensional organic-based materials. An important question is how pristine fullerene and porphyrin will organize when deposited on surfaces via in vacuum molecular beam evaporation. Here we show that codeposition of C70 and Zn-tetraphenyl-porphyrin (ZnTPP) induces the self-assembly of electron-rich flat aromatic molecules at the curved surface of C70, thus enhancing the chromophore interaction and forming a supramolecular multilayer donor-acceptor structure. While the ground-state electronic spectra almost reflect a simple summation of ZnTPP and C70 components, the excited-state electrons at the porphyrin macrocycle can rapidly delocalize to the fullerene. The excited charge transfer time scale is faster than 1-2 fs, as shown by resonant photoemission for the core-excited charges. (literal)
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