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Materials 2010, 3(1), 704-740; doi:10.3390/ma3010704

Influence of Chemical Conditions on the Nanoporous Structure of Silicate Aerogels

Institute of Chemistry, University of Loránd Eötvös, Budapest, H-1117, Hungary
Received: 3 November 2009 / Revised: 24 December 2009 / Accepted: 20 January 2010 / Published: 26 January 2010
(This article belongs to the Special Issue Porous Materials)
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Silica or various silicate aerogels can be characterized by highly porous, open cell, low density structures. The synthesis parameters influence the three-dimensional porous structures by modifying the kinetics and mechanism of hydrolysis and condensation processes. Numerous investigations have shown that the structure of porous materials can be tailored by variations in synthesis conditions (e.g., the type of precursors, catalyst, and surfactants; the ratio of water/precursor; the concentrations; the medium pH; and the solvent). The objectives of this review are to summarize and elucidate the effects of chemical conditions on the nanoporous structure of sol-gel derived silicate aerogels.
Keywords: nanoporous structure; silica aerogel; silicate aerogel; chemical influence nanoporous structure; silica aerogel; silicate aerogel; chemical influence
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sinkó, K. Influence of Chemical Conditions on the Nanoporous Structure of Silicate Aerogels. Materials 2010, 3, 704-740.

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