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The effects of aging and concentration on some interesting Sol-gel parameters: A feasibility study for PZT nanoparticles insertion on in-house prepared PAA matrices via electrophoresis

Sol-gel synthesis has been a very successful and efficient route for obtaining high quality ferroelectric/piezoelectric materials. Piezoelectric nanostructures, however, constitute a very recent field of research and special emphasis must be put on optimizing the packing of particles inside the nano...

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Bibliographic Details
Published in:Journal of electroceramics 2009-02, Vol.22 (1-3), p.136-144
Main Authors: Suárez-Gómez, A., Saniger-Blesa, José. M., Calderón-Piñar, F.
Format: Article
Language:English
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Summary:Sol-gel synthesis has been a very successful and efficient route for obtaining high quality ferroelectric/piezoelectric materials. Piezoelectric nanostructures, however, constitute a very recent field of research and special emphasis must be put on optimizing the packing of particles inside the nanoporous matrix in order to obtain nanomaterials with potential use on practical applications. In this work we study the influence of some critical sol features (aging time and concentration) on several interesting parameters when considering the electrophoretic insertion of Lead Titanate Zirconate (PZT) 53/47 nanoparticles in a Porous Anodic Alumina matrix. Our study focuses on pH, Zeta potential, Liquid Surface Tension, Mean Nanoparticles Size and Crystallization Routes. According to our results, and despite some previous reports, a successful electrophoretic deposition can be carried out on a wide range of concentrations and aging times.
ISSN:1385-3449
1573-8663
DOI:10.1007/s10832-007-9367-0