Hybrid periodic mesoporous organosilica materials prepared from 1,2-bis(triethoxysilyl)ethane and (3-cyanopropyl)triethoxysilane

Mohammad A Wahab; II Kim; C S Ha

doi:10.1016/j.micromeso.2004.01.001

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Hybrid periodic mesoporous organosilica materials prepared from 1,2-bis(triethoxysilyl)ethane and (3-cyanopropyl)triethoxysilane

Journal article

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Hybrid periodic mesoporous organosilica materials prepared from 1,2-bis(triethoxysilyl)ethane and (3-cyanopropyl)triethoxysilane

Mohammad A Wahab, II Kim and C S Ha

Microporous and Mesoporous Materials, Vol.69(1-2), pp.19-27

2004

DOI: https://doi.org/10.1016/j.micromeso.2004.01.001

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Abstract

hybrid mesoporous materials

periodic mesoporous organosilicas

1,2-Bis(triethoxysilyl)ethane

nitrogen isotherms

(3-Cyanopropyl)triethoxysilane

We have synthesized nanostructured, mesoporous, organic-inorganic hybrids using a sol-gel procedure by co-condensation of 1,2-(triethoxysilyl)ethane (BTESE) and (3-cyanopropyl)triethoxysilane (3CPS) under basic conditions, using cetyltrimethylammonium bromide (CTAB) as a structure-directing agent. After solvent extraction, the resultant materials were characterized by X-ray diffraction (XRD), nitrogen gas sorption, Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). The surface area, pore volume, and unit cell parameters (a0) all decreased with increasing 3CPS loading. The choice of reaction variables, such as base concentration and solvent extraction time, has a significant effect on the structures and morphologies of the hybrid mesoporous materials. FTIR spectra confirmed that the Si-C bonds are covalently linked in the silica network. 29Si MAS NMR spectrum also confirms that the framework of solvent extracted hybrid mesoporous organosilica materials consists of an organic-inorganic covalently bonded network. © 2004 Elsevier Inc. All rights reserved.

Details

Title: Hybrid periodic mesoporous organosilica materials prepared from 1,2-bis(triethoxysilyl)ethane and (3-cyanopropyl)triethoxysilane
Authors: Mohammad A Wahab (Author) - Pusan National University, South Korea
II Kim (Author) - Pusan National University, South Korea
C S Ha (Author) - Pusan National University, South Korea
Publication details: Microporous and Mesoporous Materials, Vol.69(1-2), pp.19-27
Publisher: Elsevier BV
DOI: 10.1016/j.micromeso.2004.01.001
ISSN: 1387-1811
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99450333502621
Output Type: Journal article

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