Chemical assembly of pyrenyl groups on silica surface and application of a modified sorbent for chromatographic separation of light fullerenes

Chemical assembly of pyrenyl groups on silica surface and application of a modified sorbent for... Procedure for modifying the silica gel surface with pyrenyl groups, based on a chemical assembly of surface compounds, was developed. The procedure includes successive treatments of silica with (2-phenylethyl) trichlorosilane, water, chloromethyl methyl ether, and pyrene. The reaction conditions providing the maximum content of grafted pyrenyl groups were determined. The possibility of using the resulting modified silica gel as a sorbent in chromatographic separation of C60 and C70 fullerenes was examined and its high efficiency in obtaining pure C70 fullerenes was demonstrated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Chemical assembly of pyrenyl groups on silica surface and application of a modified sorbent for chromatographic separation of light fullerenes

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215040187
Publisher site
See Article on Publisher Site

Abstract

Procedure for modifying the silica gel surface with pyrenyl groups, based on a chemical assembly of surface compounds, was developed. The procedure includes successive treatments of silica with (2-phenylethyl) trichlorosilane, water, chloromethyl methyl ether, and pyrene. The reaction conditions providing the maximum content of grafted pyrenyl groups were determined. The possibility of using the resulting modified silica gel as a sorbent in chromatographic separation of C60 and C70 fullerenes was examined and its high efficiency in obtaining pure C70 fullerenes was demonstrated.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jul 14, 2015

References

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