Clean Chlorination of Silica Surfaces by a Single-site Substitution Approach

Niladri Maity; Samir Barman; Edy Abou-Hamad; Valerio D’Elia; Jean-Marie Basset

doi:10.1039/c8dt00186c

Clean Chlorination of Silica Surfaces by a Single-site Substitution Approach

Niladri Maity, Samir Barman, Edy Abou-Hamad, Valerio D’Elia, Jean-Marie Basset

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14 Scopus citations

Abstract

A chlorination method for the selective substitution of well-defined isolated silanol groups of the silica surface has been developed using the catalytic Appel reaction. Spectroscopic analysis, complemented by elemental microanalysis studies, reveals that a quantitative chlorination could be achieved with highly dehydroxylated silica materials that exclusively possess non-hydrogen bonded silanol groups. The employed method did not leave any carbon or phosphorous residue on the silica surface and can be regarded as a promising tool for the future functionalization of metal oxide surfaces.

Original language	English (US)
Pages (from-to)	4301-4306
Number of pages	6
Journal	Dalton Transactions
Volume	47
Issue number	12
DOIs	https://doi.org/10.1039/c8dt00186c
State	Published - 2018

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: The research was supported by the King Abdullah University of Science and Technology. V.D.E. thanks the Thailand Research Fund (Grant No. RSA6080059) for supporting this research.

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title = "Clean Chlorination of Silica Surfaces by a Single-site Substitution Approach",

abstract = "A chlorination method for the selective substitution of well-defined isolated silanol groups of the silica surface has been developed using the catalytic Appel reaction. Spectroscopic analysis, complemented by elemental microanalysis studies, reveals that a quantitative chlorination could be achieved with highly dehydroxylated silica materials that exclusively possess non-hydrogen bonded silanol groups. The employed method did not leave any carbon or phosphorous residue on the silica surface and can be regarded as a promising tool for the future functionalization of metal oxide surfaces.",

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AU - Maity, Niladri

AU - Barman, Samir

AU - Abou-Hamad, Edy

AU - D’Elia, Valerio

AU - Basset, Jean-Marie

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: The research was supported by the King Abdullah University of Science and Technology. V.D.E. thanks the Thailand Research Fund (Grant No. RSA6080059) for supporting this research.

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Y1 - 2018

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AB - A chlorination method for the selective substitution of well-defined isolated silanol groups of the silica surface has been developed using the catalytic Appel reaction. Spectroscopic analysis, complemented by elemental microanalysis studies, reveals that a quantitative chlorination could be achieved with highly dehydroxylated silica materials that exclusively possess non-hydrogen bonded silanol groups. The employed method did not leave any carbon or phosphorous residue on the silica surface and can be regarded as a promising tool for the future functionalization of metal oxide surfaces.

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Clean Chlorination of Silica Surfaces by a Single-site Substitution Approach

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