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Issue 12, 2004
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One-pot self-assembly of mesostructured silica films and membranes functionalised with fullerene derivatives

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Abstract

Three fullerene derivatives have been employed with amphiphilic block copolymers both as structure-directing agents and doping molecules in one-pot synthesis of self-assembled 2D-hexagonal and cubic porous silica mesostructures, in the form of bulk materials, thick cast films and thin films through an evaporation-induced self-assembling procedure. Thermal calcination of the samples at 280 °C almost completely removed the block copolymer from the silica matrix without substantial loss of the fullerene additive, as demonstrated by FT-Raman spectra in which a clear signature of the fullerene Ag mode at 1467 cm−1 was still clearly observed. Upon irradiation with laser light at 632.8 nm, the fullerene-doped mesostructured materials exhibited photoluminescence at room temperature, which was not observed in the silica matrix.

Graphical abstract: One-pot self-assembly of mesostructured silica films and membranes functionalised with fullerene derivatives

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Supplementary files

Article information


Submitted
09 Feb 2004
Accepted
06 Apr 2004
First published
13 May 2004

J. Mater. Chem., 2004,14, 1838-1842
Article type
Paper

One-pot self-assembly of mesostructured silica films and membranes functionalised with fullerene derivatives

P. Innocenzi, P. Falcaro, S. Schergna, M. Maggini, E. Menna, H. Amenitsch, J. A. A. Soler-Illia, D. Grosso and C. Sanchez, J. Mater. Chem., 2004, 14, 1838
DOI: 10.1039/B401916D

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