Oxygen Optical Gas Sensing by Reversible Fluorescence Quenching in Photo-Oxidized Poly(9,9-dioctylfluorene) Thin Films (Articolo in rivista)

Type
Label
  • Oxygen Optical Gas Sensing by Reversible Fluorescence Quenching in Photo-Oxidized Poly(9,9-dioctylfluorene) Thin Films (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jp9062143 (literal)
Alternative label
  • Anni M, Rella R (2010)
    Oxygen Optical Gas Sensing by Reversible Fluorescence Quenching in Photo-Oxidized Poly(9,9-dioctylfluorene) Thin Films
    in The journal of physical chemistry. B; American Chemical Society, Washington (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Anni M, Rella R (literal)
Pagina inizio
  • 1559 (literal)
Pagina fine
  • 1561 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 114 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Univ Salento, Dipartimento Ingn Innovaz, I-73100 Lecce, Italy 2. CNR, IMM, I-73100 Lecce, Italy (literal)
Titolo
  • Oxygen Optical Gas Sensing by Reversible Fluorescence Quenching in Photo-Oxidized Poly(9,9-dioctylfluorene) Thin Films (literal)
Abstract
  • We investigated the fluorescence (FL) dependence on the environment oxygen content of poly(9,9-dioctylfluorene) (PF8) thin films. We show that the PF8 interactions with oxygen are not limited to the known irreversible photo-oxidation, resulting in the formation of Keto defects, but also reversible FL quenching is observed. This effect, which is stronger for the Keto defects than for the PF8, has been exploited for the realization of a prototype oxygen sensor based oil FL quenching. The sensing sensitivity of Keto defects is comparable with the state of the art organic oxygen sensors based on phosphorescence quenching. (literal)
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