Blue-emitting mesoporous films prepared via incorporation of luminescent Schiff base zinc(II) complex

  • Daniela Aiello
  • Luca Malfatti
  • Tongjit Kidchob
  • Rosario Aiello
  • Flaviano Testa
  • Iolinda Aiello
  • Mauro Ghedini
  • Massimo La Deda
  • Tonino Martino
  • Maria Casula
  • Plinio Innocenzi
Original Paper

Abstract

Highly fluorescent materials have been prepared by incorporation of a zinc complex in mesoporous silica thin films with ordered pore structure. The zinc complex has been introduced into the mesoporous materials via impregnation in an ethanol solution. The incorporation into the films has been monitored by UV–Vis, Fourier transform infrared spectroscopy and spectroscopic ellipsometry. After 18 h of immersion in the doping solution the films showed strong blue emission, increase in the refractive index. Leaching experiments performed by immersing the samples in ethanol or tetrahydrofuran have shown that the chromophore is retained in the porous matrix.

Keywords

Photoluminescence Schiff base Mesoporous materials Thin films 

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Daniela Aiello
    • 1
  • Luca Malfatti
    • 2
  • Tongjit Kidchob
    • 2
  • Rosario Aiello
    • 1
  • Flaviano Testa
    • 1
  • Iolinda Aiello
    • 3
  • Mauro Ghedini
    • 3
  • Massimo La Deda
    • 3
  • Tonino Martino
    • 3
  • Maria Casula
    • 4
  • Plinio Innocenzi
    • 2
  1. 1.Department of Chemical Engineering and MaterialsUniversity of CalabriaArcavacata di RendeItaly
  2. 2.Laboratory of Materials Science and Nanotechnologies, CR-INSTMUniversity of SassariAlgheroItaly
  3. 3.Department of Chemistry, Center of Excellence CEMIF.CAL and LASCAMM, CR-INSTM, Unità Della CalabriaUniversity of CalabriaArcavacata di RendeItaly
  4. 4.Department of Chemical Science, INSTMUniversity of CagliariCagliariItaly

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