Aluminium oxide intercalation in vanadium oxibronzes via soft chemistry

The reaction of an aqueous solution of AlCl 3 on α'NaV 2O 5 allows separation of V( IV) and V( V) present in the vanadium oxide bronze. V( IV) being dissolved, the remaining powder consists of an intercalated compound of aluminium hydroxide in the V 2O 5 structure. Thermal treatment shows that...

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Bibliographic Details
Published in:Materials research bulletin 1993-08, Vol.28 (8), p.749-755
Main Authors: Deramond, E., Savariault, J.M.
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
Inorganic chemistry and origins of life
Miscellaneous
Preparations and properties
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Summary:The reaction of an aqueous solution of AlCl 3 on α'NaV 2O 5 allows separation of V( IV) and V( V) present in the vanadium oxide bronze. V( IV) being dissolved, the remaining powder consists of an intercalated compound of aluminium hydroxide in the V 2O 5 structure. Thermal treatment shows that this compound loses its water during a three-step process leading to a new AlV 3O 9 phase. This phase which occurs at 450°C decomposes at 580°C in V 2O 5 and AlVO 4.
ISSN:0025-5408
1873-4227
DOI:10.1016/0025-5408(93)90015-6