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Stabilization of Cerium(III) in the Structure of Hydrotalcite-Like Layered Double Hydroxides

Lebedeva, O. E. / Ryl’tsova, I. G. / Yapryntsev, M. N. / Golovin, S. N. / Veligzhanin, A. A.

Abstract This research is devoted to the preparation of cerium-containing layered double hydroxides (LDHs) and exploring the possibility of stabilizing cerium in the unstable valence state (III) in their structure. It has been shown that the best result is achieved in the case of using hydrothermal treatment in the synthesis process. A sample of an LDH obtained via this method possesses characteristics typical for this class of compounds, as has been demonstrated using a set of instrumental methods (XRD, IR, TG–DSC). It has been proved by cerium L3-edge X-ray absorption spectroscopy that cerium is only partially oxidized to Ce(IV) during the synthesis process.

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Stabilization of Cerium(III) in the Structure of Hydrotalcite-Like Layered Double Hydroxides

Lebedeva, O. E. / Ryl’tsova, I. G. / Yapryntsev, M. N. / Golovin, S. N. / Veligzhanin, A. A.

Abstract This research is devoted to the preparation of cerium-containing layered double hydroxides (LDHs) and exploring the possibility of stabilizing cerium in the unstable valence state (III) in their structure. It has been shown that the best result is achieved in the case of using hydrothermal treatment in the synthesis process. A sample of an LDH obtained via this method possesses characteristics typical for this class of compounds, as has been demonstrated using a set of instrumental methods (XRD, IR, TG–DSC). It has been proved by cerium L3-edge X-ray absorption spectroscopy that cerium is only partially oxidized to Ce(IV) during the synthesis process.

Stabilization of Cerium(III) in the Structure of Hydrotalcite-Like Layered Double Hydroxides

Lebedeva, O. E. / Ryl’tsova, I. G. / Yapryntsev, M. N. / Golovin, S. N. / Veligzhanin, A. A.

Abstract This research is devoted to the preparation of cerium-containing layered double hydroxides (LDHs) and exploring the possibility of stabilizing cerium in the unstable valence state (III) in their structure. It has been shown that the best result is achieved in the case of using hydrothermal treatment in the synthesis process. A sample of an LDH obtained via this method possesses characteristics typical for this class of compounds, as has been demonstrated using a set of instrumental methods (XRD, IR, TG–DSC). It has been proved by cerium L3-edge X-ray absorption spectroscopy that cerium is only partially oxidized to Ce(IV) during the synthesis process.

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Title:

Stabilization of Cerium(III) in the Structure of Hydrotalcite-Like Layered Double Hydroxides

Contributors:

Lebedeva, O. E. (author) / Ryl’tsova, I. G. (author) / Yapryntsev, M. N. (author) / Golovin, S. N. (author) / Veligzhanin, A. A. (author)

Published in:

Petroleum Chemistry ; 59 ; 751-755

Publication date:

2019-07-01

Size:

5 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544119070089

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

layered double hydroxides , cerium , unstable valence , synthesis Chemistry , Industrial Chemistry/Chemical Engineering

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