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Microwave synthesis of ZrO2 and Yttria stabilized ZrO2 particles from aqueous precursor solutions

Published online by Cambridge University Press:  13 July 2012

Kenny Vernieuwe ,
Petra Lommens ,
Freya Van den Broeck ,
José C. Martins ,
Isabel Van Driessche  and
Klaartje De Buysser
Kenny Vernieuwe
Affiliation:
SCRiPTS, Department of Inorganic and Physical Chemistry, Ghent University, 218-S3 Krijgslaan, Ghent, B-9000, Belgium
Petra Lommens
Affiliation:
SCRiPTS, Department of Inorganic and Physical Chemistry, Ghent University, 218-S3 Krijgslaan, Ghent, B-9000, Belgium
Freya Van den Broeck
Affiliation:
NMR and structure analysis, Department of Organic Chemistry, Ghent University, 218-S4 Krijgslaan, Ghent, B-9000, Belgium
José C. Martins
Affiliation:
NMR and structure analysis, Department of Organic Chemistry, Ghent University, 218-S4 Krijgslaan, Ghent, B-9000, Belgium
Isabel Van Driessche
Affiliation:
SCRiPTS, Department of Inorganic and Physical Chemistry, Ghent University, 218-S3 Krijgslaan, Ghent, B-9000, Belgium
Klaartje De Buysser
Affiliation:
SCRiPTS, Department of Inorganic and Physical Chemistry, Ghent University, 218-S3 Krijgslaan, Ghent, B-9000, Belgium
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Abstract

Zirconia and Yttrium stabilized zirconia are well-known ceramic materials. Scaling down the dimension of these ceramics can result in a faster sintering process at lower temperatures. Microwave synthesis of nano-structured particles is a very attractive synthesis route because of the short synthesis time and low reaction temperature. This allows a fast screening of the influence of different parameters such as time, temperature and pressure on the final size and crystal phase of the particles. In this study Zr and Zr/Y aqueous precursors are mixed with a variety of complexing agents or surfactants in different ratios. The reason is twofold: (1) we aim for a stable precursor solution which is established by lowering the free ion concentration and (2) we want to see the influence of the complexing agents on the growth of the particles and the formation of crystalline phases. Particle sizes of these particle vary from 40 -200 nm. The crystallinity is confirmed by X-ray diffraction. The stabilization of these particles and possible exchange of the ligands is examined with NMR measurements (1D - proton combined with 2D NOESY) and is compared with TGA-DTA analysis of the isolated particles.

Keywords

x-ray diffraction (XRD)microwave heatingchemical synthesis
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1449: Symposium BB – Solution Synthesis of Inorganic Films and Nanostructured Materials , 2012 , mrss12-1449-bb10-02
Copyright
Copyright © Materials Research Society 2012

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References

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