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Journal of Nanoparticle Research
Erschienen in: Journal of Nanoparticle Research 7/2011

01.07.2011 | Research paper

Mesoporous silica templated zirconia nanoparticles

verfasst von: Mohamed A. Ballem, José M. Córdoba, Magnus Odén

Erschienen in: Journal of Nanoparticle Research | Ausgabe 7/2011

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Abstract

Nanoparticles of zirconium oxide (ZrO2) were synthesized by infiltration of a zirconia precursor (ZrOCl2·8H2O) into a SBA-15 mesoporous silica mold using a wet-impregnation technique. X-ray diffractometry and high-resolution transmission electron microscopy show formation of stable ZrO2 nanoparticles inside the silica pores after a thermal treatment at 550 °C. Subsequent leaching out of the silica template by NaOH resulted in well-dispersed ZrO2 nanoparticles with an average diameter of ~4 nm. The formed single crystal nanoparticles are faceted with 110 surfaces termination suggesting it to be the preferred growth orientation. A growth model of these nanoparticles is also suggested.
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Metadaten
Titel
Mesoporous silica templated zirconia nanoparticles
verfasst von
Mohamed A. Ballem
José M. Córdoba
Magnus Odén
Publikationsdatum
01.07.2011
Verlag
Springer Netherlands
Erschienen in
Journal of Nanoparticle Research / Ausgabe 7/2011
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-010-0160-7

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