Silicon imidonitride aerogel exhibiting macro- and meso-dual porosity
Silicon imidonitride aerogel exhibiting macro- and meso-dual porosity
Porous silicon imidonitride aerogels have been produced by combining a sol–gel process based on [Si(NH2)(NMe2)3] and ammonia that is known for producing xerogels with controlled mesoporosity, with a supercritical drying process using diethylamine to minimize collapse of the gel structure. The silicon imidonitride aerogel product takes the form of a porous monolith exhibiting two populations of pores in a hierarchical structure. The mesopores can be linked to the precursor system employed, whilst the macropores are consistent with the porosity of related aerogel systems.
196-201
Rocher, Vincent
c9395b83-0a54-4b52-8100-1e23e317ed4b
Kelly, Stephen M.
1f155731-b114-462e-b34c-08182bc5d31d
Hector, Andrew L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
1 July 2012
Rocher, Vincent
c9395b83-0a54-4b52-8100-1e23e317ed4b
Kelly, Stephen M.
1f155731-b114-462e-b34c-08182bc5d31d
Hector, Andrew L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Rocher, Vincent, Kelly, Stephen M. and Hector, Andrew L.
(2012)
Silicon imidonitride aerogel exhibiting macro- and meso-dual porosity.
Microporous and Mesoporous Materials, 156, .
(doi:10.1016/j.micromeso.2012.02.041).
Abstract
Porous silicon imidonitride aerogels have been produced by combining a sol–gel process based on [Si(NH2)(NMe2)3] and ammonia that is known for producing xerogels with controlled mesoporosity, with a supercritical drying process using diethylamine to minimize collapse of the gel structure. The silicon imidonitride aerogel product takes the form of a porous monolith exhibiting two populations of pores in a hierarchical structure. The mesopores can be linked to the precursor system employed, whilst the macropores are consistent with the porosity of related aerogel systems.
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Published date: 1 July 2012
Organisations:
Chemistry
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Local EPrints ID: 336377
URI: http://eprints.soton.ac.uk/id/eprint/336377
PURE UUID: 4c70c91b-a766-40e2-aaf2-26e756edcfc5
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Date deposited: 22 Mar 2012 15:57
Last modified: 15 Mar 2024 02:52
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Author:
Vincent Rocher
Author:
Stephen M. Kelly
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