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Synthesis of Polyoxometalate Compounds Based on Mechanically Activated Precursors and Study of Their Physicochemical Properties Full article

Journal Journal of Solid State Chemistry
ISSN: 0022-4596 , E-ISSN: 1095-726X
Output data Year: 2025, Volume: 349, Article number : 125420, Pages count : 9 DOI: 10.1016/j.jssc.2025.125420
Tags Polyoxometallates; Molybdenum blue; Mechanical activation; Molybdenum disulfide
Authors Akimov Albert S. 1 , Zhirov Nikita 1 , Prosvirin Igor P. 2 , Gerasimov Evgeny Yu. 2 , Akimov Akim S. 1
Affiliations
1 Institute of Petroleum Chemistry of Siberian Branch of the Russian Academy of Sciences, Akademichesky Ave. 4, Tomsk, Russia, 634055
2 Boreskov Institute of Catalysis, Lavrentieva Ave. 5, Novosibirsk, 630090, Russia

Funding (1)

1 Russian Science Foundation 24-29-00582 (125032604499-9)

Abstract: Mechanical activation of molybdenum disulfide was used to obtain mechanocomposites. They are precursors for obtaining molybdenum blues. To synthesize molybdenum blues, the obtained mechanocomposites were reacted with ethyl alcohol under the required conditions. The obtained mechanocomposites, as well as molybdenum blues, were characterized by X-Ray diffraction (XRD), Transmission electron microscopy (TEM), IR spectroscopy and X-ray photoelectron spectroscopy (XPS). For example, a number of absorption bands are localised in the low-wave IR region, which are characteristic of the functional groups of the target compounds. The results of X-ray diffraction in combination with the results of transmission electron microscopy, EDS and XPS indicate the fact of formation of amorphous phase with partially reduced molybdenum in oxidation degrees from +5 to +6 on the obtained mechanocomposites. This fact, as well as blue colouring and characteristic peak in the absorption spectrum at 750 nm indicate the formation of molybdenum blue. The approach for obtaining polyoxometallate compounds shows potential as a promising way to obtain stable molybdenum blues.
Cite: Akimov A.S. , Zhirov N. , Prosvirin I.P. , Gerasimov E.Y. , Akimov A.S.
Synthesis of Polyoxometalate Compounds Based on Mechanically Activated Precursors and Study of Their Physicochemical Properties
Journal of Solid State Chemistry. 2025. V.349. 125420 :1-9. DOI: 10.1016/j.jssc.2025.125420 Scopus OpenAlex
Dates:
Submitted: Jan 28, 2025
Accepted: May 12, 2025
Published online: May 19, 2025
Published print: Sep 1, 2025
Identifiers:
Scopus: 2-s2.0-105005829378
OpenAlex: W4410484160
Citing: Пока нет цитирований
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