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Regulating of MnO2 photocatalytic activity in degradation of organic dyes by polymorphic engineering. / Belousov, Artem S.; Suleimanov, Evgeny V.; Parkhacheva, Alina A.; Fukina, Diana G.; Koryagin, Andrey V.; Koroleva, Aleksandra V.; Zhizhin, Evgeny V.; Gorshkov, Alexey P.

In: Solid State Sciences, Vol. 132, 106997, 01.10.2022.

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

Harvard

Belousov, AS, Suleimanov, EV, Parkhacheva, AA, Fukina, DG, Koryagin, AV, Koroleva, AV, Zhizhin, EV & Gorshkov, AP 2022, 'Regulating of MnO2 photocatalytic activity in degradation of organic dyes by polymorphic engineering', Solid State Sciences, vol. 132, 106997. https://doi.org/10.1016/j.solidstatesciences.2022.106997

APA

Belousov, A. S., Suleimanov, E. V., Parkhacheva, A. A., Fukina, D. G., Koryagin, A. V., Koroleva, A. V., Zhizhin, E. V., & Gorshkov, A. P. (2022). Regulating of MnO2 photocatalytic activity in degradation of organic dyes by polymorphic engineering. Solid State Sciences, 132, [106997]. https://doi.org/10.1016/j.solidstatesciences.2022.106997

Vancouver

Belousov AS, Suleimanov EV, Parkhacheva AA, Fukina DG, Koryagin AV, Koroleva AV et al. Regulating of MnO2 photocatalytic activity in degradation of organic dyes by polymorphic engineering. Solid State Sciences. 2022 Oct 1;132. 106997. https://doi.org/10.1016/j.solidstatesciences.2022.106997

Author

Belousov, Artem S. ; Suleimanov, Evgeny V. ; Parkhacheva, Alina A. ; Fukina, Diana G. ; Koryagin, Andrey V. ; Koroleva, Aleksandra V. ; Zhizhin, Evgeny V. ; Gorshkov, Alexey P. / Regulating of MnO2 photocatalytic activity in degradation of organic dyes by polymorphic engineering. In: Solid State Sciences. 2022 ; Vol. 132.

BibTeX

@article{7db84c1c274a47f390d1d10639ea2540,
title = "Regulating of MnO2 photocatalytic activity in degradation of organic dyes by polymorphic engineering",
abstract = "Different phase nanostructured MnO2, including α-, β-, γ-, and δ-MnO2, were prepared by a hydrothermal route. Their photocatalytic activities in the degradation of cationic (methylene blue) and anionic (methyl orange) dyes were compared for the first time. The as-prepared oxides were characterized by X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, and low-temperature nitrogen adsorption-desorption techniques. It was shown that the highest efficiency was achieved in the degradation of cationic methylene in the presence of the δ-MnO2 photocatalyst (conversion of methylene blue was 90.4% after 180 min). These results are explained by unique physicochemical properties of the δ-MnO2 polymorph. It was observed that there is a synergetic effect between various physicochemical properties of δ-MnO2 which allows to obtain the high photodegradation efficiency: high adsorption ability towards methylene blue, unique 2D morphology, lower Mn–O bond strength, and high surface Mn4+/Mn3+ molar ratio. The reaction mechanism as well as the main products of the methylene blue photooxidation process over δ-MnO2 were also investigated.",
keywords = "Dye degradation, Manganese dioxide, Photocatalyst, Polymorphs, Visible light",
author = "Belousov, {Artem S.} and Suleimanov, {Evgeny V.} and Parkhacheva, {Alina A.} and Fukina, {Diana G.} and Koryagin, {Andrey V.} and Koroleva, {Aleksandra V.} and Zhizhin, {Evgeny V.} and Gorshkov, {Alexey P.}",
note = "Publisher Copyright: {\textcopyright} 2022 Elsevier Masson SAS",
year = "2022",
month = oct,
day = "1",
doi = "10.1016/j.solidstatesciences.2022.106997",
language = "English",
volume = "132",
journal = "Solid State Sciences",
issn = "1293-2558",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Regulating of MnO2 photocatalytic activity in degradation of organic dyes by polymorphic engineering

AU - Belousov, Artem S.

AU - Suleimanov, Evgeny V.

AU - Parkhacheva, Alina A.

AU - Fukina, Diana G.

AU - Koryagin, Andrey V.

AU - Koroleva, Aleksandra V.

AU - Zhizhin, Evgeny V.

AU - Gorshkov, Alexey P.

N1 - Publisher Copyright: © 2022 Elsevier Masson SAS

PY - 2022/10/1

Y1 - 2022/10/1

N2 - Different phase nanostructured MnO2, including α-, β-, γ-, and δ-MnO2, were prepared by a hydrothermal route. Their photocatalytic activities in the degradation of cationic (methylene blue) and anionic (methyl orange) dyes were compared for the first time. The as-prepared oxides were characterized by X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, and low-temperature nitrogen adsorption-desorption techniques. It was shown that the highest efficiency was achieved in the degradation of cationic methylene in the presence of the δ-MnO2 photocatalyst (conversion of methylene blue was 90.4% after 180 min). These results are explained by unique physicochemical properties of the δ-MnO2 polymorph. It was observed that there is a synergetic effect between various physicochemical properties of δ-MnO2 which allows to obtain the high photodegradation efficiency: high adsorption ability towards methylene blue, unique 2D morphology, lower Mn–O bond strength, and high surface Mn4+/Mn3+ molar ratio. The reaction mechanism as well as the main products of the methylene blue photooxidation process over δ-MnO2 were also investigated.

AB - Different phase nanostructured MnO2, including α-, β-, γ-, and δ-MnO2, were prepared by a hydrothermal route. Their photocatalytic activities in the degradation of cationic (methylene blue) and anionic (methyl orange) dyes were compared for the first time. The as-prepared oxides were characterized by X-ray diffraction, scanning electron microscopy, X-ray photoelectron spectroscopy, and low-temperature nitrogen adsorption-desorption techniques. It was shown that the highest efficiency was achieved in the degradation of cationic methylene in the presence of the δ-MnO2 photocatalyst (conversion of methylene blue was 90.4% after 180 min). These results are explained by unique physicochemical properties of the δ-MnO2 polymorph. It was observed that there is a synergetic effect between various physicochemical properties of δ-MnO2 which allows to obtain the high photodegradation efficiency: high adsorption ability towards methylene blue, unique 2D morphology, lower Mn–O bond strength, and high surface Mn4+/Mn3+ molar ratio. The reaction mechanism as well as the main products of the methylene blue photooxidation process over δ-MnO2 were also investigated.

KW - Dye degradation

KW - Manganese dioxide

KW - Photocatalyst

KW - Polymorphs

KW - Visible light

UR - http://www.scopus.com/inward/record.url?scp=85136118943&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/6cea03ed-2aeb-3cd5-8a37-f4461c33c44e/

U2 - 10.1016/j.solidstatesciences.2022.106997

DO - 10.1016/j.solidstatesciences.2022.106997

M3 - Article

AN - SCOPUS:85136118943

VL - 132

JO - Solid State Sciences

JF - Solid State Sciences

SN - 1293-2558

M1 - 106997

ER -

ID: 99692334