Pyridine-EDOT Heteroarylene-Vinylene Donor-Acceptor Polymers (Articolo in rivista)

Type
Label
  • Pyridine-EDOT Heteroarylene-Vinylene Donor-Acceptor Polymers (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ma1017132 (literal)
Alternative label
  • Alessandro Abbotto, Erika Herrera Calderon, Milind S. Dangate, Filippo De Angelis, Norberto Manfredi, Claudio Maria Mari, Chiara Marinzi, Edoardo Mosconi, Michele Muccini, Riccardo Ruffo, and Mirko Seri (2010)
    Pyridine-EDOT Heteroarylene-Vinylene Donor-Acceptor Polymers
    in Macromolecules (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alessandro Abbotto, Erika Herrera Calderon, Milind S. Dangate, Filippo De Angelis, Norberto Manfredi, Claudio Maria Mari, Chiara Marinzi, Edoardo Mosconi, Michele Muccini, Riccardo Ruffo, and Mirko Seri (literal)
Pagina inizio
  • 9698 (literal)
Pagina fine
  • 9713 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pubs.acs.org/doi/abs/10.1021/ma1017132 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 43 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 16 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 23 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Alessandro Abbotto, Erika Herrera Calderon, Milind S. Dangate, Norberto Manfredi, Claudio Maria Mari, Chiara Marinzi, Riccardo Ruffo: Department of Materials Science and Solar Energy Research Center (MIB-SOLAR), University of Milano-Bicocca, Via Cozzi 53, I-20125, Milano, Italy Filippo De Angelis, Edoardo Mosconi: Istituto CNR di Scienze e Tecnologie Molecolari (CNR-ISTM) and Dipartimento di Chimica, Università di Perugia, Via Elce di Sotto 8, I-06123, Perugia, Italy Michele Muccini, Mirko Seri : Consiglio Nazionale delle Ricerche, Istituto per lo Studio dei Materiali Nanostrutturati (CNR-ISMN), Via P. Gobetti 101, I-40129 Bologna, Italy (literal)
Titolo
  • Pyridine-EDOT Heteroarylene-Vinylene Donor-Acceptor Polymers (literal)
Abstract
  • Two heteroarylene-vinylene donor-acceptor polymers, P(2,6-Py-V-EDOT) and P(2,5-Py-V-EDOT), containing vinylene-spaced simple donor (EDOT) and acceptor (pyridine) moieties, are presented. The central pyridine ring of the repeating unit is either 2,6- or 2,5-substituted, leading to different structural and electronic properties of the monomers. Polymers were obtained by either oxidative electropolymerization or Yamamoto coupling and fully characterized by NMR, UV-vis absorption, GPC, TGA, DSC, electrochemistry, and spectroelectrochemistry. Detailed ab initio computations have been performed for the monomers and model oligomers for analyzing their optical and electronic properties. GPC showed that isolated polymers obtained via Yamamoto poly coupling have low molecular weights, likely due to solubility issues. The electrochemical polymerizations led to p- and n-dopable polymers, with 2,5-Py-V-EDOT yielding more reversible n-doped process. The energetic positions revealed HOMO (-5.1 and -5.0 eV), LUMO (-3.4 eV), and narrow bandgap (1.6 and 1.7 eV) energies closely matching materials-design rules for optimized organic photovoltaic devices. Preliminary investigation in photovoltaic devices in combination with C71-PCBM afforded relatively modest power conversion efficiencies of 0.5% (AM 1.5G, 100 mW/cm2), which were attributed to the low molecular-weight of the polymers accessible via the chemical route. (literal)
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