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Nanosystems: Physics, Chemistry, Mathematics, 2024, Volume 15, Issue 4, Pages 540–547
DOI: https://doi.org/10.17586/2220-8054-2024-15-4-540-547 (Mi nano1298) 		 
This article is cited in 1 scientific paper (total in 1 paper)

CHEMISTRY AND MATERIAL SCIENCE

Study of photocatalytic activity in two light ranges of Sr$_2$Mn$_{0.4}$Ti$_{0.6}$O$_4$ oxide with the K$_2$NiF$_4$-type structure

Tatyana I. Chupakhinaa, Olga I. Gyrdasovaa, Anastasya M. Uporovaa, Larisa Yu. Buldakovaa, Mikhail Yu. Yanchenkoa, Dzhavid V. Mamedovb, Yulia A. Deevaa, Inna V. Baklanovaa

a Institute of Solid State Chemistry UB RAS, Ekaterinburg, Russia
b Zavoisky Physical-Technical Institute, FRC Kazan Scientific Center of RAS, Kazan, Russia
Full-text PDF (2727 kB) Citations (1)
DOI: https://doi.org/10.17586/2220-8054-2024-15-4-540-547
Abstract: The photocatalytic properties of single-phase sample Sr$_2$Mn$_{0.4}$Ti$_{0.6}$O$_4$ is studied as a representative of a series of Sr$_2$Mn$_x$Ti$_{1-x}$O$_4$ solid solutions ($x$ = 0.05, 0.15, 0.25, 0.4) obtained by the SHS. The sample annealed at 1200$^\circ$C is characterized by a uniform distribution of Sr, Ti and Mn in the oxidation degree (4+) inside the aggregates, the average size of which does not exceed 1$\mu$m. According to UV-Vis-NIR spectroscopy data, a narrowing of the band gap of Sr$_2$TiO$_4$ from 3.16 to 1.8 eV is observed when it is doped with 40 mol% of manganese. This is due to the high photoactivity of Sr$_2$Mn$_{0.4}$Ti$_{0.6}$O$_4$ in the HQ oxidation reaction in UV and blue light.
Keywords: nanostructured strontium titanate, Raddlesden–Popper structures, oxidative photocatalysis.
Funding agency Grant number
Russian Science Foundation 24-23-20123
The work was supported by RCF, project No. 24-23-20123.
Received: 17.06.2024
Revised: 13.08.2024
Accepted: 14.08.2024
Bibliographic databases:
Document Type: Article
Language: English
Citation: Tatyana I. Chupakhina, Olga I. Gyrdasova, Anastasya M. Uporova, Larisa Yu. Buldakova, Mikhail Yu. Yanchenko, Dzhavid V. Mamedov, Yulia A. Deeva, Inna V. Baklanova, “Study of photocatalytic activity in two light ranges of Sr$_2$Mn$_{0.4}$Ti$_{0.6}$O$_4$ oxide with the K$_2$NiF$_4$-type structure”, Nanosystems: Physics, Chemistry, Mathematics, 15:4 (2024), 540–547
Citation in format AMSBIB
\Bibitem{ChuGyrUpo24}
\by Tatyana~I.~Chupakhina, Olga~I.~Gyrdasova, Anastasya~M.~Uporova, Larisa~Yu.~Buldakova, Mikhail~Yu.~Yanchenko, Dzhavid~V.~Mamedov, Yulia~A.~Deeva, Inna~V.~Baklanova
\paper Study of photocatalytic activity in two light ranges of Sr$_2$Mn$_{0.4}$Ti$_{0.6}$O$_4$ oxide with the K$_2$NiF$_4$-type structure
\jour Nanosystems: Physics, Chemistry, Mathematics
\yr 2024
\vol 15
\issue 4
\pages 540--547
\mathnet{http://mi.mathnet.ru/nano1298}
\crossref{https://doi.org/10.17586/2220-8054-2024-15-4-540-547}
\elib{https://elibrary.ru/item.asp?id=69035664}
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