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Synthesis and characterization of charge-transporting ?-stacked polybenzofulvene derivatives (Articolo in rivista)

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Synthesis and characterization of charge-transporting ?-stacked polybenzofulvene derivatives (Articolo in rivista) (literal)

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Cappelli A.; Paolino M.; Grisci G.; Giuliani G.; Donati A.; Mendichi R.; Boccia A.C.; Botta C.; Mroz W.; Samperi F.; Scamporrino A.; Giorgi G. ; Vomero S. (2012)
Synthesis and characterization of charge-transporting ?-stacked polybenzofulvene derivatives
in Journal of materials chemistry (Print); ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE,, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND (Regno Unito)
(literal)

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Cappelli A.; Paolino M.; Grisci G.; Giuliani G.; Donati A.; Mendichi R.; Boccia A.C.; Botta C.; Mroz W.; Samperi F.; Scamporrino A.; Giorgi G. ; Vomero S. (literal)

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Cappelli A.; Paolino M.; Grisci G.; Giuliani G.; Donati A.;Vomero S.: Siena, Dipartimento Farmaco Chim Tecnol, I-53100 Siena, Italy Cappelli A.; Paolino M.; Grisci G.; Giuliani G.; Donati A.; Vomero S.: Univ Siena, European Res Ctr Drug Discovery & Dev, I-53100 Siena, Italy Mendichi R.; Boccia A.C.; Botta C.; Mroz W.: Ist Studio Macromol CNR, I-20133 Milan, Italy Samperi F.; Scamporrino A.: Ist Chim & Tecnol Polimeri CNR, I-95125 Catania, Italy Giorgi G.: Univ Siena, Dipartimento Chim, I-53100 Siena, Italy (literal)

Titolo

Synthesis and characterization of charge-transporting ?-stacked polybenzofulvene derivatives (literal)

Abstract

Two new benzofulvene derivatives bearing two or three methoxy substituents on the benzene ring were synthesized and induced to polymerize spontaneously in order to investigate the photophysical and electronic properties of the corresponding polymers. The photophysical features of the newly synthesized polymers suggested a high degree of pi-stacking both in the solid state and in diluted solutions, and the large Stokes shift was interpreted in terms of an efficient energy transfer within the excimer. Absorption and emission features in the solid state were found to be similar to those in diluted solutions and the stable PL quantum yield was considered a promising feature with regard to the potential applications of the polymers in light emitting devices. Finally, the remarkable hole mobility shown by poly-4,5,6-MO-BF3k along with the enhancing effect of the methoxy substituents in the charge mobility opens up new routes to the development of materials potentially useful in optoelectronics. (literal)

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