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Pulsed laser deposition of nanostructured MoS3/np-Mo//WO3-y hybrid catalyst for enhanced (Photo) electrochemical hydrogen evolution

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dc.contributor.authorGnedovets, A.
dc.contributor.authorNovikov, S.
dc.contributor.authorFominskii, V.
dc.contributor.authorFominski, D.
dc.contributor.authorRomanov, R.
dc.contributor.authorKartsev, P.
dc.contributor.authorRubinkovskaya, O.
dc.contributor.authorФоминский, Вячеслав Юрьевич
dc.contributor.authorФоминский, Дмитрий Вячеславович
dc.contributor.authorРоманов, Роман Иванович
dc.contributor.authorКарцев, Петр Федорович
dc.contributor.authorРубинковская, Оксана Владимировна
dc.date.accessioned2024-11-21T12:33:23Z
dc.date.available2024-11-21T12:33:23Z
dc.date.issued2019
dc.description.abstract© 2019 by the authors. Licensee MDPI, Basel, Switzerland.Pulsed laser ablation of MoS2 and WO3 targets at appropriate pressures of background gas (Ar, air) were used for the preparation of new hybrid nanostructured catalytic films for hydrogen production in an acid solution. The films consisted of a nanostructured WO3-y underlayer that was covered with composite MoS3/np-Mo nanocatalyst. The use of dry air with pressures of 40 and 80 Pa allowed the formation of porous WO3-y films with cauliflower- and web-like morphology, respectively. The ablation of the MoS2 target in Ar gas at a pressure of 16 Pa resulted in the formation of amorphousMoS3films and spherical Mo nanoparticles. The hybrid MoS3/np-Mo//WO3-y films deposited on transparent conducting substrates possessed the enhanced (photo)electrocatalytic performance in comparison with that of any pristine one (MoS3/np-Mo or WO3-y films) with the same loading. Modeling by the kinetic Monte Carlo method indicated that the change in morphology of the deposited WO3-y films could be caused by the transition of ballistic deposition to diffusion limited aggregation of structural units (atoms/clusters) under background gas pressure growth. The factors and mechanisms contributing to the enhancement of the electrocatalytic activity of hybrid nanostructured films and facilitating the effective photo-activation of hydrogen evolution in these films are considered.
dc.identifier.citationPulsed laser deposition of nanostructured MoS3/np-Mo//WO3-y hybrid catalyst for enhanced (Photo) electrochemical hydrogen evolution / Gnedovets, A. [et al.] // Nanomaterials. - 2019. - 9. - № 10. - 10.3390/nano9101395
dc.identifier.doi10.3390/nano9101395
dc.identifier.urihttps://www.doi.org/10.3390/nano9101395
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85073495772&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000495666800050
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18771
dc.relation.ispartofNanomaterials
dc.titlePulsed laser deposition of nanostructured MoS3/np-Mo//WO3-y hybrid catalyst for enhanced (Photo) electrochemical hydrogen evolution
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue10
oaire.citation.volume9
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