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Issue 10, 2000
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Abstract

Porous zirconium phosphates with surface areas in the range 400–500 m2 g−1 have been prepared by aqueous precipitation in the presence of various surfactants, followed by thermal treatment at 773 K. Preparation conditions, including surfactant nature and concentration, type of precipitating agent and fluoride additives were found to have significant influence on the textural properties of the resulting solids. X-Ray diffraction showed that, before calcination, refluxed samples have an ordered lamellar structure which disappears upon oxidation of the surfactant. IR and 31P MAS NMR spectroscopy indicate formation of P–O–P bonds due to condensation of phosphate groups during the heat treatment.

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Article information


Submitted
02 Jun 2000
Accepted
19 Jul 2000
First published
31 Aug 2000

J. Mater. Chem., 2000,10, 2320-2324
Article type
Paper

Porous zirconium phosphates prepared by surfactant-assisted precipitation

Y. Sun, P. Afanasiev, M. Vrinat and G. Coudurier, J. Mater. Chem., 2000, 10, 2320
DOI: 10.1039/B004845N

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