Relaxation processes in thiophene-based random copolymers (Articolo in rivista)

Type
Label
  • Relaxation processes in thiophene-based random copolymers (Articolo in rivista) (literal)
Anno
  • 1998-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0009-2614(98)00321-2 (literal)
Alternative label
  • Bongiovanni, G; Loi, MA; Mura, A; Piaggi, A; Luzzati, S; Catellani, M (1998)
    Relaxation processes in thiophene-based random copolymers
    in Chemical physics letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bongiovanni, G; Loi, MA; Mura, A; Piaggi, A; Luzzati, S; Catellani, M (literal)
Pagina inizio
  • 749 (literal)
Pagina fine
  • 654 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0009261498003212 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 288 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5-6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Bongiovanni, G; Loi, MA; Mura, A; Univ Cagliari, Dipartimento Sci Fisiche, I-09124 Cagliari, Italy Luzzati, S; Catellani, M ISMAC/CNR Piaggi, A Univ Sassari, Ist Matemat & Fis, I-07100 Sassari, Ital (literal)
Titolo
  • Relaxation processes in thiophene-based random copolymers (literal)
Abstract
  • The relaxation dynamics of soluble polyalkylthiophenes obtained by the random copolymerisation of 3,4-dibutylthiophene and 3-butylthiophene monomers is investigated. In these systems, the effective conjugation length, the optical gap and the non-radiative decay rate are controlled by varying the content of disubstituted monomers, the steric hindrance of which induces a twisting angle between thiophene rings. Several indications are reported in favour of spectral diffusion of the photoexcitations. Migration processes mainly occur within a few tens of picoseconds. (C) 1998 Elsevier Science B.V. All rights reserved. (literal)
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