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SpringerOpen, Nanoscale Research Letters, 1(6), 2011

DOI: 10.1186/1556-276x-6-192

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Ionic liquid-templated preparation of mesoporous silica embedded with nanocrystalline sulfated zirconia

Journal article published in 2011 by Antony J. Ward, Ajit A. Pujari, Lorenzo Costanzo, Anthony F. Masters, Thomas Maschmeyer ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractA series of mesoporous silicas impregnated with nanocrystalline sulphated zirconia was prepared by a sol-gel process using an ionic liquid-templated route. The physicochemical properties of the mesoporous sulphated zirconia materials were studied using characterisation techniques such as inductively coupled optical emission spectroscopy, X-ray diffraction, transmission electron microscopy, energy-dispersive X-ray microanalysis, elemental analysis and X-ray photoelectron spectroscopy. Analysis of the new silicas indicates isomorphous substitution of silicon with zirconium and reveals the presence of extremely small (< 10 nm) polydispersed zirconia nanoparticles in the materials with zirconium loadings from 27.77 to 41.4 wt.%.