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Broadband Optical Properties of Bi2Se3

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dc.contributor.authorErmolaev, G. A.
dc.contributor.authorVyslanko, I. S.
dc.contributor.authorTselin, A. P.
dc.contributor.authorEl-Sayed, M. A.
dc.contributor.authorRomanov, R. I.
dc.contributor.authorРоманов, Роман Иванович
dc.date.accessioned2024-12-28T10:45:22Z
dc.date.available2024-12-28T10:45:22Z
dc.date.issued2023
dc.description.abstractMaterials with high optical constants are of paramount importance for efficient light manipulation in nanophotonics applications. Recent advances in materials science have revealed that van der Waals (vdW) materials have large optical responses owing to strong in-plane covalent bonding and weak out-of-plane vdW interactions. However, the optical constants of vdW materials depend on numerous factors, e.g., synthesis and transfer method. Here, we demonstrate that in a broad spectral range (290-3300 nm) the refractive index n and the extinction coefficient k of Bi2Se3 are almost independent of synthesis technology, with only a ~10% difference in n and k between synthesis approaches, unlike other vdW materials, such as MoS2, which has a ~60% difference between synthesis approaches. As a practical demonstration, we showed, using the examples of biosensors and therapeutic nanoparticles, that this slight difference in optical constants results in reproducible efficiency in Bi2Se3-based photonic devices.
dc.identifier.citationBroadband Optical Properties of Bi2Se3 / Ermolaev, G. A. [et al.] // Nanomaterials. - 2023. - 13. - № 9. - 10.3390/nano13091460
dc.identifier.doi10.3390/nano13091460
dc.identifier.urihttps://www.doi.org/10.3390/nano13091460
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85159181413&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000987480400001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/30158
dc.relation.ispartofNanomaterials
dc.subjectNanophotonics
dc.subjectMolar absorptivity
dc.subjectTwo-Dimensional Materials
dc.titleBroadband Optical Properties of Bi2Se3
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue9
oaire.citation.volume13
relation.isAuthorOfPublication5955ca45-4f76-4aee-a4c1-aeb5d68abfca
relation.isAuthorOfPublication.latestForDiscovery5955ca45-4f76-4aee-a4c1-aeb5d68abfca
relation.isOrgUnitOfPublicationdcdb137c-0528-46a5-841b-780227a67cce
relation.isOrgUnitOfPublication.latestForDiscoverydcdb137c-0528-46a5-841b-780227a67cce
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