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Electrosynthesis and Optical Properties of Poly( p -phenylene) and Poly( p -phenylene-pyrrole) Films

Eiras, C. ; Foschini, M. ; Faria, R. M. ; Gonçalves, D.

Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003), 2002-01, Vol.374 (1), p.493-496 [Periódico revisado por pares]

Taylor & Francis Group

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  • Título:
    Electrosynthesis and Optical Properties of Poly( p -phenylene) and Poly( p -phenylene-pyrrole) Films
  • Autor: Eiras, C. ; Foschini, M. ; Faria, R. M. ; Gonçalves, D.
  • É parte de: Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003), 2002-01, Vol.374 (1), p.493-496
  • Descrição: Poly( p -phenylene) (PPP) and poly( p -phenylene-pyrrole) (PPP-Ppy) films were electrochemically polymerized on indium-tin-oxide glass (ITO) and platinum electrodes. Their optical properties were studied by UV-vis and photoluminescence spectroscopy. The influence of the final potential applied during synthesis (E f ) on the optical properties of PPP films was also studied. The PPP film prepared at 1.5 V showed an absorption band at 540 nm which was attributed to a p-doping process. Stable films with a similar emission band at 420 nm (blue region) were obtained after polymerization of p -terphenyl, and p -terphenyl/pyrrole monomers.
  • Editor: Taylor & Francis Group
  • Idioma: Inglês

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