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Synthesis and Al K-Edge Xanes Investigation of Mesostructured Aluminophosphates

Published online by Cambridge University Press:  16 February 2011

M. Twemann ,
M. Fröba  and
J. Wong
M. Twemann
Affiliation:
Institute of Inorganic and Applied Chemistry, University of Hamburg, Martin-Luther-King-Platz 6, D-20146 Hamburg, Germany
M. Fröba
Affiliation:
Institute of Inorganic and Applied Chemistry, University of Hamburg, Martin-Luther-King-Platz 6, D-20146 Hamburg, Germany
J. Wong
Affiliation:
LLNL, University of California, PO Box 808, L-369 Livermore, CA 94551, USA
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Abstract

We report on the synthesis of lamellar mesostructured aluminophosphate composites which contain variable relative amounts of aluminium oxide species in the core regions of the lamellae; this is investigated quantitatively by Al K-edge XANES spectroscopy. Templating is achieved by the utilisation of monododecyl phosphate surfactant. If no phosphorous source (such as H3PO4) is used for the synthesis, the phosphate head groups of the surfactant become incorporated into the inorganic network to form similar lamellar aluminophosphate structures. Thus, the surfactant serves as both template and reactant.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 547: Symposium DD – Solid-State Chemistry of Inorganic Materials II , 1998 , 87
Copyright
Copyright © Materials Research Society 1999

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