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Blue-emitting mesoporous films prepared via incorporation of luminescent Schiff base zinc(II) complex |
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| Authors: | Daniela Aiello Luca Malfatti Tongjit Kidchob Rosario Aiello Flaviano Testa Iolinda Aiello Mauro Ghedini Massimo La Deda Tonino Martino Maria Casula Plinio Innocenzi | ||
| Institution: | 1. Department of Chemical Engineering and Materials, University of Calabria, 87100, Arcavacata di Rende, Cosenza, Italy 2. Laboratory of Materials Science and Nanotechnologies, CR-INSTM, University of Sassari, Palazzo Pou Salid, Piazza Duomo 6, 07041, Alghero, Sardinia, Italy 3. Department of Chemistry, Center of Excellence CEMIF.CAL and LASCAMM, CR-INSTM, Unità Della Calabria, University of Calabria, 87100, Arcavacata di Rende, Italy 4. Department of Chemical Science, INSTM, University of Cagliari, Via Università 40, 09124, Cagliari, Cagliari, Italy |
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| 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.
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| Keywords: | Photoluminescence Schiff base Mesoporous materials Thin films | ||
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