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Spectroscopic Investigations of Mesoporous M41S Silica Phases

Published online by Cambridge University Press:  28 February 2011

Michael FrÖBa ,
P. Behrens ,
Joe Wong ,
G. Engelhardt ,
CH. Haggen-Müller ,
G. Van De Goor ,
M. Rowen ,
T. Tanaka  and
W. Schwieger
Michael FrÖBa
Affiliation:
Lawrence Livermore National Laboratory, University of California, Chemistry & Materials Science Department, P.O. Box 808, L-369, Livermore, CA 94551, U.S.A.
P. Behrens
Affiliation:
Fakultät für ChemieUniversität Konstanz, D-78464 Konstanz, Germany Institut für Anorganische Chemie, Universität München, D-80333 München, Germany
Joe Wong
Affiliation:
Lawrence Livermore National Laboratory, University of California, Chemistry & Materials Science Department, P.O. Box 808, L-369, Livermore, CA 94551, U.S.A.
G. Engelhardt
Affiliation:
Institut für Technische Chemie I, Universität Stuttgart, D-70550 Stuttgart, Germany
CH. Haggen-Müller
Affiliation:
Fakultät für ChemieUniversität Konstanz, D-78464 Konstanz, Germany
G. Van De Goor
Affiliation:
Fakultät für ChemieUniversität Konstanz, D-78464 Konstanz, Germany
M. Rowen
Affiliation:
Stanford Synchrotron Radiation Laboratory, P.O. Box 4349, Stanford, CA 94309, U.S.A.
T. Tanaka
Affiliation:
National Institute for Research in Inorganic Materials, 1-1 Namiki, Tsukuba, Ibaraki 305, Japan
W. Schwieger
Affiliation:
Sektion Chemie, Universität Halle-Wittenberg, D-06108 Halle/Saale, Germany
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Abstract

Mesoporous silica phases of the M41S type were investigated by SiK XANES spectroscopy and the results compared with the information provided by 29Si MAS NMR spectroscopy. The results show that the pore walls are more ordered than in “truly” amorphous silica phases (as, e.g., glass) and indicate a relationship of their structure to layered silicates.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 371: Symposium W1 – Advances in Porous Materials , 1994 , 99
Copyright
Copyright © Materials Research Society 1995

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