Standard

Electron structure and photocatalytic activity of new compounds CsMxW2-xO6 (M = Sn, V and Mo, x=0–0.5) with β-pyrochlore structure. / Fukina, Diana G.; Ganov, Alexander S.; Boryakov, Aleksey V.; Koroleva, Alexandra V.; Zhizhin, Evgeny V.; Titaev, Dmitry N.; Shilova, Elena V.; Suleimanov, Evgeny V.

In: Journal of Solid State Chemistry, Vol. 337, 124803, 01.09.2024.

Research output: Contribution to journal › Article › peer-review

Harvard

Fukina, DG, Ganov, AS, Boryakov, AV, Koroleva, AV, Zhizhin, EV, Titaev, DN, Shilova, EV & Suleimanov, EV 2024, 'Electron structure and photocatalytic activity of new compounds CsMxW2-xO6 (M = Sn, V and Mo, x=0–0.5) with β-pyrochlore structure', Journal of Solid State Chemistry, vol. 337, 124803. https://doi.org/10.1016/j.jssc.2024.124803

APA

Fukina, D. G., Ganov, A. S., Boryakov, A. V., Koroleva, A. V., Zhizhin, E. V., Titaev, D. N., Shilova, E. V., & Suleimanov, E. V. (2024). Electron structure and photocatalytic activity of new compounds CsMxW2-xO6 (M = Sn, V and Mo, x=0–0.5) with β-pyrochlore structure. Journal of Solid State Chemistry, 337, [124803]. https://doi.org/10.1016/j.jssc.2024.124803

Vancouver

Fukina DG, Ganov AS, Boryakov AV, Koroleva AV, Zhizhin EV, Titaev DN et al. Electron structure and photocatalytic activity of new compounds CsMxW2-xO6 (M = Sn, V and Mo, x=0–0.5) with β-pyrochlore structure. Journal of Solid State Chemistry. 2024 Sep 1;337. 124803. https://doi.org/10.1016/j.jssc.2024.124803

Author

Fukina, Diana G. ; Ganov, Alexander S. ; Boryakov, Aleksey V. ; Koroleva, Alexandra V. ; Zhizhin, Evgeny V. ; Titaev, Dmitry N. ; Shilova, Elena V. ; Suleimanov, Evgeny V. / Electron structure and photocatalytic activity of new compounds CsMxW2-xO6 (M = Sn, V and Mo, x=0–0.5) with β-pyrochlore structure. In: Journal of Solid State Chemistry. 2024 ; Vol. 337.

BibTeX

@article{9d8ecaf6d9d04c9f938696ad63bff3b9,
title = "Electron structure and photocatalytic activity of new compounds CsMxW2-xO6 (M = Sn, V and Mo, x=0–0.5) with β-pyrochlore structure",
abstract = "The new CsMxW2-xO6 (M = Sn, V and Mo, x = 0–0.5) solid solutions with β-pyrochlore structure have been prepared by sol-gel synthesis. The chemical composition has been investigated by SEM with X-ray microanalysis and X-ray photoelectron spectroscopy. It was found that the W atom in structure has mixed valence state 5+ and 6+, Sn and Mo has only 4+ and 6+, respectively, and V possesses mix of 5+ and 3+ dependence on composition. Thus the crystal structure has been determined by X-ray diffraction analysis, and the CsMxW2-xO6 (M = Sn and Mo, x = 0–0.5) compounds have the monotonous changing in unit cell parameter, whereas CsVxW2-xO6 (x = 0–0.25) has complex dependence due to different V atom ratio. The electronic structure has been studied by UV–vis spectroscopy and XPS analysis and approximated by simple theoretical calculation based on atomic electronegativity. The photocatalytic activity has been investigated using reaction of methylene blue decomposition under visible and UV irradiation, and the possible degradation pathway was supposed by HR-LCMS analysis. The relation between electronic structure and photocatalytic activity has been discussed.",
keywords = "Pyrochlore, Mixed-valence compounds, Crystal structure, X-ray photoelectron spectroscopy, Band gap, Photocatalysis",
author = "Fukina, {Diana G.} and Ganov, {Alexander S.} and Boryakov, {Aleksey V.} and Koroleva, {Alexandra V.} and Zhizhin, {Evgeny V.} and Titaev, {Dmitry N.} and Shilova, {Elena V.} and Suleimanov, {Evgeny V.}",
year = "2024",
month = may,
day = "27",
doi = "10.1016/j.jssc.2024.124803",
language = "English",
volume = "337",
journal = "Journal of Solid State Chemistry",
issn = "0022-4596",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Electron structure and photocatalytic activity of new compounds CsMxW2-xO6 (M = Sn, V and Mo, x=0–0.5) with β-pyrochlore structure

AU - Fukina, Diana G.

AU - Ganov, Alexander S.

AU - Boryakov, Aleksey V.

AU - Koroleva, Alexandra V.

AU - Zhizhin, Evgeny V.

AU - Titaev, Dmitry N.

AU - Shilova, Elena V.

AU - Suleimanov, Evgeny V.

PY - 2024/5/27

Y1 - 2024/5/27

N2 - The new CsMxW2-xO6 (M = Sn, V and Mo, x = 0–0.5) solid solutions with β-pyrochlore structure have been prepared by sol-gel synthesis. The chemical composition has been investigated by SEM with X-ray microanalysis and X-ray photoelectron spectroscopy. It was found that the W atom in structure has mixed valence state 5+ and 6+, Sn and Mo has only 4+ and 6+, respectively, and V possesses mix of 5+ and 3+ dependence on composition. Thus the crystal structure has been determined by X-ray diffraction analysis, and the CsMxW2-xO6 (M = Sn and Mo, x = 0–0.5) compounds have the monotonous changing in unit cell parameter, whereas CsVxW2-xO6 (x = 0–0.25) has complex dependence due to different V atom ratio. The electronic structure has been studied by UV–vis spectroscopy and XPS analysis and approximated by simple theoretical calculation based on atomic electronegativity. The photocatalytic activity has been investigated using reaction of methylene blue decomposition under visible and UV irradiation, and the possible degradation pathway was supposed by HR-LCMS analysis. The relation between electronic structure and photocatalytic activity has been discussed.

AB - The new CsMxW2-xO6 (M = Sn, V and Mo, x = 0–0.5) solid solutions with β-pyrochlore structure have been prepared by sol-gel synthesis. The chemical composition has been investigated by SEM with X-ray microanalysis and X-ray photoelectron spectroscopy. It was found that the W atom in structure has mixed valence state 5+ and 6+, Sn and Mo has only 4+ and 6+, respectively, and V possesses mix of 5+ and 3+ dependence on composition. Thus the crystal structure has been determined by X-ray diffraction analysis, and the CsMxW2-xO6 (M = Sn and Mo, x = 0–0.5) compounds have the monotonous changing in unit cell parameter, whereas CsVxW2-xO6 (x = 0–0.25) has complex dependence due to different V atom ratio. The electronic structure has been studied by UV–vis spectroscopy and XPS analysis and approximated by simple theoretical calculation based on atomic electronegativity. The photocatalytic activity has been investigated using reaction of methylene blue decomposition under visible and UV irradiation, and the possible degradation pathway was supposed by HR-LCMS analysis. The relation between electronic structure and photocatalytic activity has been discussed.

KW - Pyrochlore

KW - Mixed-valence compounds

KW - Crystal structure

KW - X-ray photoelectron spectroscopy

KW - Band gap

KW - Photocatalysis

UR - https://www.mendeley.com/catalogue/04bccafa-092d-3597-8511-403b7136c9b1/

U2 - 10.1016/j.jssc.2024.124803

DO - 10.1016/j.jssc.2024.124803

M3 - Article

VL - 337

JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

SN - 0022-4596

M1 - 124803

ER -

ID: 119997458