Characterization of surface modified silica nanoparticles by Si-29 solid state NMR spectroscopy

Authors
Mijatovic, J Binder, WH Gruber, H
Citation
J. Mijatovic et al., Characterization of surface modified silica nanoparticles by Si-29 solid state NMR spectroscopy, MIKROCH ACT, 133(1-4), 2000, pp. 175-181
Citations number
24
Categorie Soggetti
Spectroscopy /Instrumentation/Analytical Sciences
Journal title
MIKROCHIMICA ACTA
ISSN journal
00263672 → ACNP
Volume
133
Issue
1-4
Year of publication
2000
Pages
175 - 181
Database
ISI
SICI code
0026-3672(2000)133:1-4<175:COSMSN>2.0.ZU;2-V
Abstract
Various aerosils surface modified with silane reagents were prepared and in vestigated by Si-29 solid state NMR spectroscopy. The mode of bonding onto the silanol surface (mono- or divalent) can be specified by comparison with chemical shifts from solution. A detailed analysis also leads to the detec tion of products formed via hydrosilylation reactions. A rough quantificati on of the surface loading can be obtained by a signal deconvolution process of the silanol resonances on the Aerosil surface.