Lead Zirconate Titanate Stable Stock Solution: Characterization and Applications

Lead zirconate titanate (PZT) thin films were prepared by the sol-gel process using acetic acid and 1,2-propanediol as solvents. Acetone was used as final solvent and in this way a stable stock sol (for more than 12 months) was obtained. The PZT sols prepared were reproducible and suitable for the p...

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Bibliographic Details
Published in:Journal of sol-gel science and technology 2000-12, Vol.19 (1-3), p.671-676
Main Authors: Wu, Aiying, Miranda Salvado, Isabel M, Vilarinho, Paula M, Baptista, João L, Silvestre, Armando JD
Format: Article
Language:English
Subjects:
Acetic acid
Acetone
Crystallization
Electric properties
Ferroelectric materials
Ferroelectricity
Fourier transforms
Gas chromatography
Infrared analysis
Infrared spectra
Lead zirconate titanates
Rheological properties
Sol-gel processes
Sols
Solvents
Thin films
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Summary:Lead zirconate titanate (PZT) thin films were prepared by the sol-gel process using acetic acid and 1,2-propanediol as solvents. Acetone was used as final solvent and in this way a stable stock sol (for more than 12 months) was obtained. The PZT sols prepared were reproducible and suitable for the preparation of PZT thin films. To study the sol structure evolution gas chromatography mass spectrum (GC-MS) and Fourier-transform-infrared (FT-IR) spectra were recorded and analyzed on each step of the synthesis. The rheological behavior and the stability of the stock sol were checked using a rheometer. It is observed that the addition of acetone leads to a very stable stock sol. The preliminary investigation of the electric properties of the obtained PZT thin films showed that the crystallized films deposited from a fresh prepared sol and a 12 months aged sol exhibit similar ferroelectric properties and comparable to those reported in the literature.
ISSN:0928-0707
1573-4846
DOI:10.1023/A:1008750403880