Study of the factors affecting the formation of copper–chromium/aluminum oxide compounds with a spinel structure

The effect of the Cr 3+ /Al 3+ ratio on the crystallization temperature of mixed oxide compounds with a spinel structure and their structural features and morphological characteristics have been studied using a combination of physicochemical methods: thermal analysis, IR spectroscopy, X-ray powder d...

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2017, Vol.62 (1), p.39-46
Main Authors: Simentsova, I. I., Plyasova, L. M., Shtertser, N. V., Minyukova, T. P., Zaikovskii, V. I., Paukshtis, E. A., Yurieva, T. M.
Format: Article
Language:English
Subjects:
Aluminum oxide
Chemistry
Chemistry and Materials Science
Copper
Crystallization
Infrared spectroscopy
Inorganic Chemistry
Mixed oxides
Spinel
Synthesis
Synthesis and Properties of Inorganic Compounds
Thermal analysis
X ray powder diffraction
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Summary:The effect of the Cr 3+ /Al 3+ ratio on the crystallization temperature of mixed oxide compounds with a spinel structure and their structural features and morphological characteristics have been studied using a combination of physicochemical methods: thermal analysis, IR spectroscopy, X-ray powder diffraction, and electron microscopy. The role of temperature of synthesis and drying of Cu–Cr/Al hydroxy precursors in the formation of copper-containing spinels CuCr x Al 2– x O 4 , where x = 0–2, has been elucidated. The results are of interest for selection of the optimal composition and conditions of synthesis and formation of copper-containing spinels for their practical use.
ISSN:0036-0236
1531-8613
DOI:10.1134/S003602361701020X