Hydrothermal conversion of cerium oxalate to CeO2: a parade of oxalate and water coordination modes

Hydrothemal conversion of lanthanide/actinide oxalate salts to nanocrystalline oxide has gained technological importance in the chemistry of f-elements. Herein, we present a study describing the mechanism behind the hydrothermal recrystallization and decomposition of cerium (and Ce-Gd) oxalate to ox...

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Bibliographic Details
Published in:New journal of chemistry 2024-01, Vol.48 (3), p.1071-1075
Main Authors: Assi, Navid, Lahoud, Christophe, Brázda, Petr, Zákutná, Dominika, Rainer, Daniel N, Hraníček, Jakub, Rohlíček, Jan, Tyrpekl, Václav
Format: Article
Language:English
Subjects:
Cerium oxides
Electron diffraction
Gadolinium
Recrystallization
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Summary:Hydrothemal conversion of lanthanide/actinide oxalate salts to nanocrystalline oxide has gained technological importance in the chemistry of f-elements. Herein, we present a study describing the mechanism behind the hydrothermal recrystallization and decomposition of cerium (and Ce-Gd) oxalate to oxide. Structural determination of all intermediate nanocrystalline products was possible thanks to three-dimensional electron diffraction. This work reveals the enormous structural abilities of simple oxalate ligands.
ISSN:1144-0546
1369-9261
DOI:10.1039/d3nj04635d