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Issue 24, 2009
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Carbonaceous submicron sized islands: a surface patterning route to hierarchical macro/mesoporous thin films

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Abstract

A simple patterning method is presented, using dewetting as a surface exotemplate generating technique, to produce disk-like features of micron to submicron size. The localization of the templates is such that a large area of the substrate is covered when compared with other techniques like colloidal templating or nanosphere lithography. The method is accessible and convenient and can be used to pattern areas of several dm2. Hierarchically ordered mesoporous SiO2 thin films possessing submicron sized cavities were prepared by combining this patterning method with sol–gel and surfactant templation. The mesopore arrangement was found to be severely influenced by the constraints imposed by the surface topology, leading to a different crystalline orientation.

Graphical abstract: Carbonaceous submicron sized islands: a surface patterning route to hierarchical macro/mesoporous thin films

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Publication details

The article was received on 04 Feb 2009, accepted on 06 Apr 2009 and first published on 08 May 2009


Article type: Paper
DOI: 10.1039/B902378J
Citation: J. Mater. Chem., 2009,19, 4191-4196
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    Carbonaceous submicron sized islands: a surface patterning route to hierarchical macro/mesoporous thin films

    A. Zelcer, A. Wolosiuk and G. J. A. A. Soler-Illia, J. Mater. Chem., 2009, 19, 4191
    DOI: 10.1039/B902378J

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