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Periodic Mesoporous Organosilicas PMOs with Different Organic Bridging Groups: Synthesis and Characterization

Published online by Cambridge University Press:  01 February 2011

Vivian Rebbin ,
Olaf Muth  and
Michael Fröba
Vivian Rebbin
Affiliation:
Institute of Inorganic and Analytical Chemistry, Justus-Liebig-University, Heinrich-Buff-Ring 58, D-35392 Giessen, Germany, E-mail: michael.froeba@anorg.chemie.uni-giessen.de
Olaf Muth
Affiliation:
Institute of Inorganic and Applied Chemistry, University of Hamburg, Martin-Luther-King-Platz 6, D-20146 Hamburg, Germany
Michael Fröba
Affiliation:
Institute of Inorganic and Analytical Chemistry, Justus-Liebig-University, Heinrich-Buff-Ring 58, D-35392 Giessen, Germany, E-mail: michael.froeba@anorg.chemie.uni-giessen.de
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Abstract

We present results on new periodic mesoporous organosilicas synthesized with 1,4-bis(triethoxysilyl)benzene (BTEB), 1,2-bis(trimethoxysilyl)ethane (BTME) and bis[3-(trimethoxysilyl)propyl]amine (BTMPA). The materials show high inner surfaces up to 830 m2/g and pore diameters in the range of 2.7 to 3.7 nm depending on the structure directing agent used. In case of BTEB as precursor and triblock copolymer Pluronic P123 as structure directing agent exceptional thick pore walls were obtained (7.2 nm). Characterization was carried out by P-XRD, nitrogen physisorption analysis, thermoanalytical methods and IR spectroscopy.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 726: Symposium Q – Hybrid Organic-Inorganic Materials , 2002 , Q8.3
Copyright
Copyright © Materials Research Society 2002

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