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Broadband optical properties of atomically thin PtS2 and ptse2

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dc.contributor.authorErmolaev, G. A.
dc.contributor.authorVoronin, K. V.
dc.contributor.authorTatmyshevskiy, M. K.
dc.contributor.authorMazitov, A. B.
dc.contributor.authorRomanov, R. I.
dc.contributor.authorРоманов, Роман Иванович
dc.date.accessioned2024-11-30T00:11:33Z
dc.date.available2024-11-30T00:11:33Z
dc.date.issued2021
dc.description.abstract© 2021 by the authors. Licensee MDPI, Basel, Switzerland.Noble transition metal dichalcogenides (TMDCs) such as PtS2 and PtSe2 show significant potential in a wide range of optoelectronic and photonic applications. Noble TMDCs, unlike standard TMDCs such as MoS2 and WS2, operate in the ultrawide spectral range from ultraviolet to mid-infrared wavelengths; however, their properties remain largely unexplored. Here, we measured the broadband (245–3300 nm) optical constants of ultrathin PtS2 and PtSe2 films to eliminate this gap and provide a foundation for optoelectronic device simulation. We discovered their broadband absorption and high refractive index both theoretically and experimentally. Based on first-principle calculations, we also predicted their giant out-of-plane optical anisotropy for monocrystals. As a practical illustration of the obtained optical properties, we demonstrated surface plasmon resonance biosensors with PtS2 or PtSe2 functional layers, which dramatically improves sensor sensitivity by 60 and 30%, respectively.
dc.identifier.citationBroadband optical properties of atomically thin PtS2 and ptse2 / Ermolaev, G.A. [et al.] // Nanomaterials. - 2021. - 11. - № 12. - 10.3390/nano11123269
dc.identifier.doi10.3390/nano11123269
dc.identifier.urihttps://www.doi.org/10.3390/nano11123269
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85120319552&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000736574900001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/25066
dc.relation.ispartofNanomaterials
dc.titleBroadband optical properties of atomically thin PtS2 and ptse2
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue12
oaire.citation.volume11
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relation.isAuthorOfPublication.latestForDiscovery5955ca45-4f76-4aee-a4c1-aeb5d68abfca
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