Issue 32, 2011
From the journal:

Journal of Materials Chemistry

Fabrication of functionally graded aerogels, cellular aerogels and anisotropic ceramics

Charles. Wingfield,a   Louis. Franzel,a   Massimo. F. Bertino*a  and  Nicholas. Leventisb  

* Corresponding authors

a Department of Physics, Virginia Commonwealth University, Richmond, VA, USA

b Department of Chemistry, Missouri University of Science and Technology, Rolla, MO, USA

Abstract

We report on the fabrication and characterization of anisotropic porous materials: functionally graded, cellular and compositionally anisotropic aerogels and ceramics. This new class of materials was fabricated by photopolymerizing selected regions of a homogeneous monolith using visible light. Visible light is not significantly absorbed and not significantly scattered by organic molecules and oxide nanoparticles in wet gels and it allows fabrication of deeply penetrating, well-resolved patterns. Simple variations of the exposure geometry allowed fabrication of a wide variety of anisotropic materials without requiring layering or bonding.

Graphical abstract: Fabrication of functionally graded aerogels, cellular aerogels and anisotropic ceramics

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Article information

DOI
https://doi.org/10.1039/C1JM10898K
Article type
Communication
Submitted
01 Mar 2011
Accepted
09 Jun 2011
First published
05 Jul 2011

J. Mater. Chem., 2011,21, 11737-11741

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Fabrication of functionally graded aerogels, cellular aerogels and anisotropic ceramics

Charles. Wingfield, Louis. Franzel, Massimo. F. Bertino and Nicholas. Leventis, J. Mater. Chem., 2011, 21, 11737 DOI: 10.1039/C1JM10898K

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