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Royal Society of Chemistry, Journal of Materials Chemistry, 29(15), p. 3039

DOI: 10.1039/b504835d

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Preparation of a microporous silicon oximide gel from the reaction of tris(dimethylamino)silylamine with formamide and its pyrolytic conversion into a silicon oxynitride based glass

Journal article published in 2005 by Fei Cheng, Stephen M. Kelly, Frédéric Lefebvre, Adam F. Lee, Karen Wilson ORCID, Stephen Clark, John S. Bradley
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A high-surface-area silicon oximide-based gel [SiOC(H)=NSi]m[Si2N-C(H)=O]n[SiN(H)-C(H)=O]p[SiOC(H)=NH]q[SiNH]r[SiNH2]s[SiNMe2]t was prepared via a formamide-based aminolysis of tris(dimethylamino)silylamine, (Me2N)3SiNH2. The structure of the gel and the mechanism of formation are elucidated. Pyrolysis of the gel at 1000 °C under N2 flow gave an amorphous microporous oxynitride-based glass with a BET surface area of 195 m2 g−1. © The Royal Society of Chemistry 2005.