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The role of surface and electronic structure features of the CsTeMoO6 β-pyrochlore compound during the photooxidation dyes process. / Fukina, Diana G.; Koryagin, Andrey V.; Koroleva, Alexandra V.; Zhizhin, Evgeny V.; Suleimanov, Eugeny V.; Volkova, Natalia S.; Kirillova, Natalia I.

In: Journal of Solid State Chemistry, Vol. 308, 122939, 04.2022.

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

Harvard

Fukina, DG, Koryagin, AV, Koroleva, AV, Zhizhin, EV, Suleimanov, EV, Volkova, NS & Kirillova, NI 2022, 'The role of surface and electronic structure features of the CsTeMoO6 β-pyrochlore compound during the photooxidation dyes process', Journal of Solid State Chemistry, vol. 308, 122939. https://doi.org/10.1016/j.jssc.2022.122939

APA

Fukina, D. G., Koryagin, A. V., Koroleva, A. V., Zhizhin, E. V., Suleimanov, E. V., Volkova, N. S., & Kirillova, N. I. (2022). The role of surface and electronic structure features of the CsTeMoO6 β-pyrochlore compound during the photooxidation dyes process. Journal of Solid State Chemistry, 308, [122939]. https://doi.org/10.1016/j.jssc.2022.122939

Vancouver

Fukina DG, Koryagin AV, Koroleva AV, Zhizhin EV, Suleimanov EV, Volkova NS et al. The role of surface and electronic structure features of the CsTeMoO6 β-pyrochlore compound during the photooxidation dyes process. Journal of Solid State Chemistry. 2022 Apr;308. 122939. https://doi.org/10.1016/j.jssc.2022.122939

Author

Fukina, Diana G. ; Koryagin, Andrey V. ; Koroleva, Alexandra V. ; Zhizhin, Evgeny V. ; Suleimanov, Eugeny V. ; Volkova, Natalia S. ; Kirillova, Natalia I. / The role of surface and electronic structure features of the CsTeMoO6 β-pyrochlore compound during the photooxidation dyes process. In: Journal of Solid State Chemistry. 2022 ; Vol. 308.

BibTeX

@article{4e9d681ec0c54836a78a8be79055d626,
title = "The role of surface and electronic structure features of the CsTeMoO6 β-pyrochlore compound during the photooxidation dyes process",
abstract = "The surface features of CsTeMoO6 with β-pyrochlore structure have been investigated during adsorption and photocatalytic oxidation of methylene dye under visible light irradiation. The apparent quantum yields are 5.12•10−6 and 3.57•10−6 molecules/photons for MB and MO conversion. The refinement of the CsTeMoO6 electronic structure has been carried out by both transmittance and reflectance spectroscopy. The impurity defect absorbance bands in the visible light region have been found out into the wide band gap. Superoxide radicals have been detected as the main active radical species for oxidation, whereas hydroxyl radicals are not formed because of specific holes reaction. Features of surface interactions with cationic and anionic dyes have been studied. The abnormal high absorption capacity of methylene blue by CsTeMoO6 has been obtained. Cs atoms play important role for cationic dye oxidation, while anionic dye predominantly adsorbs and decomposes on the Te/Mo-atom surface centers. The phase stability and composition of catalyst powder have been confirmed by X-ray powder diffraction analysis and X-ray microanalysis. The surface composition and features have been investigated using X-ray photoelectron spectroscopy.",
keywords = "Band gap, Kinetics, Oxide materials, Photocatalysis, Scanning electron microscopy, SEM, X-ray photoelectron spectroscopy, XPS, β-pyrochlore structure type, CARBON, BLUE, ADSORPTION, beta-pyrochlore structure type, METHYL-ORANGE, DEGRADATION, PHOTOCATALYSTS, WATER",
author = "Fukina, {Diana G.} and Koryagin, {Andrey V.} and Koroleva, {Alexandra V.} and Zhizhin, {Evgeny V.} and Suleimanov, {Eugeny V.} and Volkova, {Natalia S.} and Kirillova, {Natalia I.}",
note = "Publisher Copyright: {\textcopyright} 2022 Elsevier Inc.",
year = "2022",
month = apr,
doi = "10.1016/j.jssc.2022.122939",
language = "English",
volume = "308",
journal = "Journal of Solid State Chemistry",
issn = "0022-4596",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The role of surface and electronic structure features of the CsTeMoO6 β-pyrochlore compound during the photooxidation dyes process

AU - Fukina, Diana G.

AU - Koryagin, Andrey V.

AU - Koroleva, Alexandra V.

AU - Zhizhin, Evgeny V.

AU - Suleimanov, Eugeny V.

AU - Volkova, Natalia S.

AU - Kirillova, Natalia I.

N1 - Publisher Copyright: © 2022 Elsevier Inc.

PY - 2022/4

Y1 - 2022/4

N2 - The surface features of CsTeMoO6 with β-pyrochlore structure have been investigated during adsorption and photocatalytic oxidation of methylene dye under visible light irradiation. The apparent quantum yields are 5.12•10−6 and 3.57•10−6 molecules/photons for MB and MO conversion. The refinement of the CsTeMoO6 electronic structure has been carried out by both transmittance and reflectance spectroscopy. The impurity defect absorbance bands in the visible light region have been found out into the wide band gap. Superoxide radicals have been detected as the main active radical species for oxidation, whereas hydroxyl radicals are not formed because of specific holes reaction. Features of surface interactions with cationic and anionic dyes have been studied. The abnormal high absorption capacity of methylene blue by CsTeMoO6 has been obtained. Cs atoms play important role for cationic dye oxidation, while anionic dye predominantly adsorbs and decomposes on the Te/Mo-atom surface centers. The phase stability and composition of catalyst powder have been confirmed by X-ray powder diffraction analysis and X-ray microanalysis. The surface composition and features have been investigated using X-ray photoelectron spectroscopy.

AB - The surface features of CsTeMoO6 with β-pyrochlore structure have been investigated during adsorption and photocatalytic oxidation of methylene dye under visible light irradiation. The apparent quantum yields are 5.12•10−6 and 3.57•10−6 molecules/photons for MB and MO conversion. The refinement of the CsTeMoO6 electronic structure has been carried out by both transmittance and reflectance spectroscopy. The impurity defect absorbance bands in the visible light region have been found out into the wide band gap. Superoxide radicals have been detected as the main active radical species for oxidation, whereas hydroxyl radicals are not formed because of specific holes reaction. Features of surface interactions with cationic and anionic dyes have been studied. The abnormal high absorption capacity of methylene blue by CsTeMoO6 has been obtained. Cs atoms play important role for cationic dye oxidation, while anionic dye predominantly adsorbs and decomposes on the Te/Mo-atom surface centers. The phase stability and composition of catalyst powder have been confirmed by X-ray powder diffraction analysis and X-ray microanalysis. The surface composition and features have been investigated using X-ray photoelectron spectroscopy.

KW - Band gap

KW - Kinetics

KW - Oxide materials

KW - Photocatalysis

KW - Scanning electron microscopy

KW - SEM

KW - X-ray photoelectron spectroscopy

KW - XPS

KW - β-pyrochlore structure type

KW - CARBON

KW - BLUE

KW - ADSORPTION

KW - beta-pyrochlore structure type

KW - METHYL-ORANGE

KW - DEGRADATION

KW - PHOTOCATALYSTS

KW - WATER

UR - http://www.scopus.com/inward/record.url?scp=85123685367&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/1e7534eb-2dd9-3b9d-bbdf-518bd4e7d481/

U2 - 10.1016/j.jssc.2022.122939

DO - 10.1016/j.jssc.2022.122939

M3 - Article

AN - SCOPUS:85123685367

VL - 308

JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

SN - 0022-4596

M1 - 122939

ER -

ID: 92353293