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- Title
Plate-Like Bi<sub>4</sub>Ti<sub>3</sub>O<sub>12</sub> Particles and their Topochemical Conversion to SrTiO<sub>3</sub> Under Hydrothermal Conditions.
- Authors
Čontala, Alja; Kržmanc, Marjeta Maček; Suvorov, Danilo
- Abstract
Plate-like Bi4Ti3O12 particles were synthesized using a one-step, molten-salt method from Bi2O3 and TiO2 nanopowders at 800 °C. The reaction parameters that affect the crystal structure and morphology were identified and systematically investigated. The differences between various Bi4Ti3O12 plate-like particles were examined in terms of the ferroelectric-to-paraelectric phase transition and the photocatalytic activity for the degradation of Rhodamine B under UV-A light irradiation. The results encouraged us to conduct further testing of the as-prepared Bi4Ti3O12 plate-like particles as templates for the preparation of plate-like SrTiO3 perovskite particles using a topochemical conversion under hydrothermal conditions. The characteristics of the Bi4Ti3O12 plates and the reaction parameters for which the SrTiO3 preserved the shape of the initial Bi4Ti3O12 template particles were determined.
- Subjects
BISMUTH titanate; STRONTIUM titanate; TOPOCHEMICAL reactions; CRYSTAL structure; CRYSTAL morphology
- Publication
Acta Chimica Slovenica, 2018, Vol 65, Issue 3, p630
- ISSN
1318-0207
- Publication type
Article
- DOI
10.17344/acsi.2018.4286