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Title: Mesoporous hybrid materials by simultaneous pseudomorphic transformation and functionalization of silica microspheres
Authors : Reber, Michael
Brühwiler, Dominik
Published in : Particle & Particle Systems Characterization
Volume(Issue) : 32
Issue : 2
Pages : 243
Pages to: 250
Publisher / Ed. Institution : Wiley
Issue Date: Feb-2015
License (according to publishing contract) : Licence according to publishing contract
Type of review: Peer review (Publication)
Language : English
Subject (DDC) : 540: Chemistry
Abstract: Non-agglomerated amino-functionalized mesoporous silica microspheres are synthesized by a one-pot synthesis from a parent silica material. Narrow pore size distributions in the range from 3 to 5 nm are obtained with alkyltrimethylammonium structure-directing agents. By following the pseudomorphic transformation pathway, the particle size distribution and spherical morphology of the parent silica are retained during the synthesis. The products contain accessible and uniformly distributed amino groups. The average pore size and the ratio of small uniform mesopores (< 5 nm) to larger mesopores and macropores can be controlled by choosing the appropriate structure-directing agent and by adjusting the concentration of the amino-functionalized alkoxysilane precursor, leading to a variety of meso-macroporous hybrid materials.
Departement: Life Sciences and Facility Management
Organisational Unit: Institute of Chemistry and Biotechnology (ICBT)
Publication type: Article in scientific Journal
DOI : 10.1002/ppsc.201400150
ISSN: 0934-0866
Appears in Collections:Publikationen Life Sciences und Facility Management

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