A well-defined mesoporous amine silica surface via a selective treatment of SBA-15 with ammonia

Anissa Bendjeriou-Sedjerari; Jeremie Pelletier; Edy Abou-Hamad; Lyndon Emsley; Jean-Marie Basset

doi:10.1039/c2cc00143h

A well-defined mesoporous amine silica surface via a selective treatment of SBA-15 with ammonia

Anissa Bendjeriou-Sedjerari, Jeremie Pelletier, Edy Abou-Hamad, Lyndon Emsley, Jean-Marie Basset

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

26 Scopus citations

Abstract

2D double-quantum 1H- 1H NMR unambiguously shows that the "isolated" Si-OH surface silanols of dehydroxylated SBA-15 are converted upon treatment with ammonia into single silylamine surface site Si-NH 2. The "gem" di-silanols (Si(OH) 2) remain intact. Treatment using HMDS produces (Si(OSiMe 3) 2) but leaves Si-NH 2 untouched. The resulting surface is hydrophobic and stable. © The Royal Society of Chemistry 2012.

Original language	English (US)
Pages (from-to)	3067
Journal	Chemical Communications
Volume	48
Issue number	25
DOIs	https://doi.org/10.1039/c2cc00143h
State	Published - 2012

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01

ASJC Scopus subject areas

Materials Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Ceramics and Composites
General Chemistry
Catalysis
Electronic, Optical and Magnetic Materials

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10.1039/c2cc00143h

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AU - Bendjeriou-Sedjerari, Anissa

AU - Pelletier, Jeremie

AU - Abou-Hamad, Edy

AU - Emsley, Lyndon

AU - Basset, Jean-Marie

N1 - KAUST Repository Item: Exported on 2020-10-01

PY - 2012

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AB - 2D double-quantum 1H- 1H NMR unambiguously shows that the "isolated" Si-OH surface silanols of dehydroxylated SBA-15 are converted upon treatment with ammonia into single silylamine surface site Si-NH 2. The "gem" di-silanols (Si(OH) 2) remain intact. Treatment using HMDS produces (Si(OSiMe 3) 2) but leaves Si-NH 2 untouched. The resulting surface is hydrophobic and stable. © The Royal Society of Chemistry 2012.

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JO - Chemical Communications

JF - Chemical Communications

IS - 25

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A well-defined mesoporous amine silica surface via a selective treatment of SBA-15 with ammonia

Abstract

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