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Nanostructured MoS3/WSe2 Thin-Film Photocathode for Efficient Water Splitting Under Light Illumination

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dc.contributor.authorNevolin, V. N.
dc.contributor.authorRomanov, R. I.
dc.contributor.authorFominski, D. V.
dc.contributor.authorRubinkovskaya, O. V.
dc.contributor.authorSoloviev, A. A.
dc.contributor.authorFominski, V. Y.
dc.contributor.authorНеволин, Владимир Николаевич
dc.contributor.authorРоманов, Роман Иванович
dc.contributor.authorФоминский, Дмитрий Вячеславович
dc.contributor.authorРубинковская, Оксана Владимировна
dc.contributor.authorСоловьев, Алексей
dc.contributor.authorФоминский, Вячеслав Юрьевич
dc.date.accessioned2024-11-29T13:43:32Z
dc.date.available2024-11-29T13:43:32Z
dc.date.issued2021
dc.description.abstract© 2021, Pleiades Publishing, Ltd.Abstract: The influence of the chemical state of a WOy thin-film precursor on formation of WSe2 nanofilms under rapid selenization on a glassy carbon substrate at 900°C is studied. A nanolayer of amorphous molybdenum sulfide (MoSx ~ 3), which has high catalytic activity in the electrochemical reaction of hydrogen evolution, is applied onto the surface of the obtained WSe2 films by pulsed laser deposition. It is shown that the composition of the WOy thin-film precursor has a significant effect on the morphology of the WSe2 nanolayers, and this characteristic largely determines the efficiency of hydrogen evolution by the MoS3/WSe2 heterostructure upon photoactivated water splitting. The most efficient hydrogen evolution is found for the MoS3/WSe2 photocathode heterostructure containing WSe2 in the form of crystal petals of ~50 nm in thickness, with these crystals oriented perpendicular to the substrate surface. A theoretical analysis of the possible effect of synergistic interaction at the MoS3/WSe2 interface on the efficiency of hydrogen evolution is carried out. Density functional theory calculations have shown that MoS3 clusters can increase the efficiency of the hydrogen evolution reaction upon contact with surface regions of WSe2 nanocrystals different in atomic packing.
dc.format.extentС. 251-261
dc.identifier.citationNanostructured MoS3/WSe2 Thin-Film Photocathode for Efficient Water Splitting Under Light Illumination / Nevolin, V.N. [et al.] // Inorganic Materials: Applied Research. - 2021. - 12. - № 2. - P. 251-261. - 10.1134/S2075113321020404
dc.identifier.doi10.1134/S2075113321020404
dc.identifier.urihttps://www.doi.org/10.1134/S2075113321020404
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85104630728&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000703969700001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23954
dc.relation.ispartofInorganic Materials: Applied Research
dc.titleNanostructured MoS3/WSe2 Thin-Film Photocathode for Efficient Water Splitting Under Light Illumination
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue2
oaire.citation.volume12
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