Synthesis and Characterization of Strontium Titanate Nanoparticles as Potential High Temperature Oxygen Sensor Material

Voigts, Florian; Damjanovic, Tanja; Borchardt, Günter; Argirusis, Christos; Maus-Friedrichs, Wolfgang

doi:https://doi.org/10.1155/JNM/2006/63154

Journal of Nanomaterials

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Nanoporous and Nanostructured Materials for Catalysis, Sensor, and Gas Separation Applications

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Volume 2006 | Article ID 063154 | https://doi.org/10.1155/JNM/2006/63154

Synthesis and Characterization of Strontium Titanate Nanoparticles as Potential High Temperature Oxygen Sensor Material

Florian Voigts,¹Tanja Damjanovic,²Günter Borchardt,²Christos Argirusis,²and Wolfgang Maus-Friedrichs¹

Received13 Mar 2006

Revised18 May 2006

Accepted06 Jun 2006

Published02 Aug 2006

Abstract

We present a simple and highly reproductive method for the preparation of thin films consisting of strontium titanate nanoparticles. The films are produced by spin coating of a sol on silicon targets and subsequent annealing under ambient conditions. Analysis by atomic force microscopy shows particles with typical sizes between 10 nm and 50 nm. X-ray photoelectron spectroscopy displays a stoichiometry of the films as anticipated from preliminary experiments with strontium titanate single crystals. Metastable-induced electron spectroscopy and ultraviolet photoelectron spectroscopy are used as tools to give evidence to the similar electronic properties of nanoparticle film and single crystal. These results support the prospect for an application of the nanoparticle films as high temperature oxygen sensor with superior properties.

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Copyright

Copyright © 2006 Florian Voigts et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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