The formation kinetic of mechanochemical synthesized perovskites

Kozma Gábor and Berkesi Dániel and Liptak Kata and Kukovecz Ákos and Kónya Zoltán: The formation kinetic of mechanochemical synthesized perovskites.

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Abstract

In this study, we aimed to achieve mechanochemical perovskite synthesis and to quantify the energy used during milling (Eb - impact energy and Ecum - cumulative energy) and to describe the relationship between them. For mechanochemical treatment a Fritsch Pulverisette-6 type planetary ball mill was used. As a model compound the widely used barium-titanate (BaTiO3) was chosen, which was produced by the reaction of barium-oxide (BaO) and titanate-dioxide (TiO2). The aim was to track the formation of BaTiO3 and to determine the minimum milling energies required for its production. Three important parameters were considered for the calculation of energy values: the material of the milling vials and balls, the number of balls and the speed of rotation. The transformation was tracked by X-ray diffraction (XRD) measurement, and the applied energy was determined using the Burgio-Rojac energy model. Our goal was to draw conclusions that can be used to predetermine optimal milling parameters in the production of other perovskite structured materials. The hypothesis was verified by the mechanochemical synthesis of zinc-titanate (ZnTiO3) which was produced by the reaction of zinc-oxide (ZnO) and TiO2.

Item Type: Conference or Workshop Item
Journal or Publication Title: Proceedings of the International Symposium on Analytical and Environmental Problems
Date: 2021
Volume: 27
ISBN: 978-963-306-835-9
Page Range: pp. 198-202
Language: English
Publisher: University of Szeged
Place of Publication: Szeged
Event Title: International Symposium on Analytical and Environmental Problems (27.) (2021) (Szeged)
Related URLs: http://acta.bibl.u-szeged.hu/75798/
Uncontrolled Keywords: Mechanokémia, Kinetika
Additional Information: Bibliogr.: p. 201-202. ; ill. ; összefoglalás angol nyelven
Subjects: 01. Natural sciences
01. Natural sciences > 01.04. Chemical sciences
Date Deposited: 2022. May. 31. 09:19
Last Modified: 2022. Aug. 08. 15:40
URI: http://acta.bibl.u-szeged.hu/id/eprint/75964

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