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Pulsed Laser Phosphorus Doping and Nanocomposite Catalysts Deposition in Forming a-MoSx/NP-Mo//n+p-Si Photocathodes for Efficient Solar Hydrogen Production

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dc.contributor.authorFominski, V.
dc.contributor.authorDemin, M.
dc.contributor.authorFominski, D.
dc.contributor.authorRomanov, R.
dc.contributor.authorRubinkovskaya, O.
dc.contributor.authorShvets, P.
dc.contributor.authorGoikhman, A.
dc.contributor.authorФоминский, Вячеслав Юрьевич
dc.contributor.authorФоминский, Дмитрий Вячеславович
dc.contributor.authorРоманов, Роман Иванович
dc.contributor.authorРубинковская, Оксана Владимировна
dc.date.accessioned2024-12-25T07:43:53Z
dc.date.available2024-12-25T07:43:53Z
dc.date.issued2022
dc.description.abstractPulsed laser deposition of nanostructured molybdenum sulfide films creates specific nonequilibrium growth conditions, which improve the electrocatalytic properties of the films in a hydrogen evolution reaction (HER). The enhanced catalytic performance of the amorphous a-MoSx (2 ≤ x ≤ 3) matrix is due to the synergistic effect of the Mo nanoparticles (Mo-NP) formed during the laser ablation of a MoS2 target. This work looks at the possibility of employing a-MoSx/NP-Mo films (4 and 20 nm thickness) to produce hydrogen by photo-stimulated HER using a p-Si cathode. A simple technique of pulsed laser p-Si doping with phosphorus was used to form an n+p-junction. Investigations of the energy band arrangement at the interface between a-MoSx/NP-Mo and n+-Si showed that the photo-HER on an a-MoSx/NP-Mo//n+p-Si photocathode with a 20 nm thick catalytic film proceeded according to a Z-scheme. The thickness of interfacial SiOy(P) nanolayer varied little in photo-HER without interfering with the effective electric current across the interface. The a-MoSx/NP-Mo//n+p-Si photocathode showed good long-term durability; its onset potential was 390 mV and photocurrent density was at 0 V was 28.7 mA/cm2. The a-MoSx/NP-Mo//n+p-Si photocathodes and their laser-based production technique offer a promising pathway toward sustainable solar hydrogen production. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
dc.identifier.citationPulsed Laser Phosphorus Doping and Nanocomposite Catalysts Deposition in Forming a-MoSx/NP-Mo//n+p-Si Photocathodes for Efficient Solar Hydrogen Production / Fominski, V. [et al.] // Nanomaterials. - 2022. - 12. - № 12. - 10.3390/nano12122080
dc.identifier.doi10.3390/nano12122080
dc.identifier.urihttps://www.doi.org/10.3390/nano12122080
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85132043800&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000817462500001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/27340
dc.relation.ispartofNanomaterials
dc.titlePulsed Laser Phosphorus Doping and Nanocomposite Catalysts Deposition in Forming a-MoSx/NP-Mo//n+p-Si Photocathodes for Efficient Solar Hydrogen Production
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue12
oaire.citation.volume12
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