Light-Responsive Polystyrene Films Doped with Tailored Heteroaromatic-Based Fluorophores (Articolo in rivista)

Type
Label
  • Light-Responsive Polystyrene Films Doped with Tailored Heteroaromatic-Based Fluorophores (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/mz400103s (literal)
Alternative label
  • M. Pierpaolo [ 1 ] ; Battisti A. [ 2,3 ] ; Barondi S. [ 1 ] ; Lessi M. [ 1 ] ; Bellina F. [ 1 ] ; Ruggeri G. [ 1,4 ] ; Pucci A. [ 1,4 ] (2013)
    Light-Responsive Polystyrene Films Doped with Tailored Heteroaromatic-Based Fluorophores
    in ACS Macro Letters; AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Pierpaolo [ 1 ] ; Battisti A. [ 2,3 ] ; Barondi S. [ 1 ] ; Lessi M. [ 1 ] ; Bellina F. [ 1 ] ; Ruggeri G. [ 1,4 ] ; Pucci A. [ 1,4 ] (literal)
Pagina inizio
  • 317 (literal)
Pagina fine
  • 321 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 2 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Pisa, Dipartimento Chim & Chim Ind, I-56126 Pisa, Italy [ 2 ] Scuola Normale Super Pisa, NEST, Pisa, Italy [ 3 ] Ist Nanosci CNR, Pisa, Italy [ 4 ] INSTM, Unita Ric Pisa, I-56126 Pisa, Italy (literal)
Titolo
  • Light-Responsive Polystyrene Films Doped with Tailored Heteroaromatic-Based Fluorophores (literal)
Abstract
  • We describe a simple but effective strategy for imparting light-responsive peculiarity to polystyrene films. A pH-sensitive fluorescent dye having the electron-poor pyridine nucleus as a key structural feature was synthesized and dispersed at low loadings (0.2-0.5 wt %) in a PS matrix. Once light irradiation in the near-UV range was sent to PS/dye films, PS photooxidation likely occurred at the film surface with the formation of carboxylic compounds. These species locally promoted dye protonation, thus, yielding a clear change of the film emission from blue to green. This study opens the door to a wide range of light-responsive materials from easily accessible polymers, enabling the use of UV light as an effective trigger for smart materials and devices. (literal)
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