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Application of pulsed laser deposition in the preparation of a promising mosx/wse2/c(В) photocathode for photo‐assisted electrochemical hydrogen evolution

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dc.contributor.authorDemin, M.
dc.contributor.authorNovikov, S.
dc.contributor.authorVolkov, V.
dc.contributor.authorDoroshina, N.
dc.contributor.authorRomanov, R.
dc.contributor.authorFominski, V.
dc.contributor.authorFominski, D.
dc.contributor.authorRubinkovskaya, O.
dc.contributor.authorРоманов, Роман Иванович
dc.contributor.authorФоминский, Вячеслав Юрьевич
dc.contributor.authorФоминский, Дмитрий Вячеславович
dc.contributor.authorРубинковская, Оксана Владимировна
dc.date.accessioned2024-12-02T10:12:03Z
dc.date.available2024-12-02T10:12:03Z
dc.date.issued2021
dc.description.abstract© 2021 by the authors. Licensee MDPI, Basel, Switzerland.We studied the possibility of using pulsed laser deposition (PLD) for the formation of a MoSx/WSe2 heterostructure on a dielectric substrate. The heterostructure can be employed for effective solar water splitting to produce hydrogen. The sapphire substrate with the conducting C(B) film (rear contact) helped increase the formation temperature of the WSe2 film to obtain the film consisting of 2H‐WSe2 near‐perfect nanocrystals. The WSe2 film was obtained by off‐axis PLD in Ar gas. The laser plume from a WSe2 target was directed along the substrate surface. The preferential scattering of selenium on Ar molecules contributed to the effective saturation of the WSe2 film with chalcogen. Nano‐structural WSe2 film were coated by reactive PLD with a nanofilm of catalytically active amorphous MoSx~4. It was established that the mutual arrangement of energy bands in the WSe2 and MoSx~4 films facilitated the separation of electrons and holes at the interface and electrons moved to the catalytically active MoSx~4. The current density during light‐assisted hydrogen evolution was above ~3 mA/cm2 (at zero potential), whilst the onset potential reached 400 mV under irradiation with an intensity of 100 mW/cm2 in an acidic solution. Factors that may affect the HER performance of MoSx~4/WSe2/C(В) structure are discussed.
dc.identifier.citationApplication of pulsed laser deposition in the preparation of a promising mosx/wse2/c(В) photocathode for photo‐assisted electrochemical hydrogen evolution / Demin, M. [et al.] // Nanomaterials. - 2021. - 11. - № 6. - 10.3390/nano11061461
dc.identifier.doi10.3390/nano11061461
dc.identifier.urihttps://www.doi.org/10.3390/nano11061461
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85106997710&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000666461200001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/25532
dc.relation.ispartofNanomaterials
dc.titleApplication of pulsed laser deposition in the preparation of a promising mosx/wse2/c(В) photocathode for photo‐assisted electrochemical hydrogen evolution
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue6
oaire.citation.volume11
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