Novel Sol-Gel Synthesis of Spherical Lead Titanate Submicrometer Powders

In this study, a novel and simple synthetic sol-gel procedure was established to directly prepare spherical lead titanate powders without prior synthesis/usage of spherical templates such as TiO2 particles. Isotropic submicron particles with a mean diameter of 1–4 μm were prepared in this way. This...

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Bibliographic Details
Published inCrystals (Basel) Vol. 11; no. 5; p. 484
Main Authors Bel-Hadj-Tahar, Radhouane, Abboud, Mohamed, Shkir, Mohd, Alhanash, Abdullah, M. Anqi, Ali Eisa, Belhadj Tahar, Noureddine, Bouzitoun, Mouna, Benaissa, Mhamed
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 2021
Subjects
Acetone
Electron microscopy
Heat treatment
Lead content
lead titanate
Lead titanates
Ligands
Morphology
Particle size
Phase transitions
powder
Scanning electron microscopy
Sol-gel processes
spherical particles
Spherical powders
Synthesis
Titanium
Titanium dioxide
Ultrasonic transducers
Japan
Germany
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Summary:In this study, a novel and simple synthetic sol-gel procedure was established to directly prepare spherical lead titanate powders without prior synthesis/usage of spherical templates such as TiO2 particles. Isotropic submicron particles with a mean diameter of 1–4 μm were prepared in this way. This synthetic process takes advantage of acetone as a stabilizing ligand and autogenous pressure generated in the autoclave during the reaction. The influence of various experimental factors (nature of the ligand, thermal treatment mode, and post-calcining temperature) as well as the formation mechanism were studied. Scanning electron microscopy and transmission electron microscopy were used to explore the particle morphology. The crystalline phases were explored and identified by X-ray diffraction analysis.
ISSN:2073-4352
2073-4352
DOI:10.3390/cryst11050484