Accessibility of irregular (fractal) surfaces of porous silicas to silylation reactions

Dina Farin; David Avnir

doi:10.1016/S0021-9673(00)94039-1

Accessibility of irregular (fractal) surfaces of porous silicas to silylation reactions

Dina Farin^*
, David Avnir

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

The effect of surface irregularity on parameters such as surface concentration, area per ligand and interligand distance is discussed with special emphasis on silylation reactions of silica. For the proper evaluation of these parameters, it is suggested that either the effective area for the ligand (and not the nitrogen-BET value) or the fractal (adsorptive or reactive) dimension of the surface be used as a basic parameter, Experimental examples were analysed according to this approach.

Original language	English
Pages (from-to)	317-324
Number of pages	8
Journal	Journal of Chromatography A
Volume	406
Issue number	C
DOIs	https://doi.org/10.1016/S0021-9673(00)94039-1
State	Published - 2 Oct 1987

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10.1016/S0021-9673(00)94039-1

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abstract = "The effect of surface irregularity on parameters such as surface concentration, area per ligand and interligand distance is discussed with special emphasis on silylation reactions of silica. For the proper evaluation of these parameters, it is suggested that either the effective area for the ligand (and not the nitrogen-BET value) or the fractal (adsorptive or reactive) dimension of the surface be used as a basic parameter, Experimental examples were analysed according to this approach.",

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AU - Avnir, David

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N2 - The effect of surface irregularity on parameters such as surface concentration, area per ligand and interligand distance is discussed with special emphasis on silylation reactions of silica. For the proper evaluation of these parameters, it is suggested that either the effective area for the ligand (and not the nitrogen-BET value) or the fractal (adsorptive or reactive) dimension of the surface be used as a basic parameter, Experimental examples were analysed according to this approach.

AB - The effect of surface irregularity on parameters such as surface concentration, area per ligand and interligand distance is discussed with special emphasis on silylation reactions of silica. For the proper evaluation of these parameters, it is suggested that either the effective area for the ligand (and not the nitrogen-BET value) or the fractal (adsorptive or reactive) dimension of the surface be used as a basic parameter, Experimental examples were analysed according to this approach.

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Accessibility of irregular (fractal) surfaces of porous silicas to silylation reactions

Abstract

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