The effect of metallic substrates on the optical properties of monolayer MoSe2

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dc.contributor.authorGrzeszczyk, Magdalenacs
dc.contributor.authorBartoš, Miroslavcs
dc.contributor.authorMolas, Maciejcs
dc.contributor.authorNogajewski, Karolcs
dc.contributor.authorBogucki, Aleksandercs
dc.contributor.authorFaugeras, Clémentcs
dc.contributor.authorKossacki, Piotrcs
dc.contributor.authorBabinski, Adamcs
dc.contributor.authorPotemski, Marekcs
dc.coverage.issue1cs
dc.coverage.volume10cs
dc.date.accessioned2020-12-02T15:54:41Z
dc.date.available2020-12-02T15:54:41Z
dc.date.issued2020-03-18cs
dc.description.abstractAtomically thin materials, like semiconducting transition metal dichalcogenides (S-TMDs), are highly sensitive to the environment. This opens up an opportunity to externally control their properties by changing their surroundings. Photoluminescence and reflectance contrast techniques are employed to investigate the effect of metallic substrates on optical properties of MoSe2 monolayer (ML). The optical spectra of MoSe2 MLs deposited on Pt, Au, Mo and Zr have distinctive metal-related lineshapes. In particular, a substantial variation in the intensity ratio and the energy separation between a negative trion and a neutral exciton is observed. It is shown that using metals as substrates affects the doping of S-TMD MLs. The explanation of the effect involves the Schottky barrier formation at the interface between the MoSe2 ML and the metallic substrates. The alignment of energy levels at the metal/semiconductor junction allows for the transfer of charge carriers between them. We argue that a proper selection of metallic substrates can be a way to inject appropriate types of carriers into the respective bands of S-TMDs.en
dc.formattextcs
dc.format.extent1-7cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationScientific Reports. 2020, vol. 10, issue 1, p. 1-7.en
dc.identifier.doi10.1038/s41598-020-61673-0cs
dc.identifier.issn2045-2322cs
dc.identifier.other165375cs
dc.identifier.urihttp://hdl.handle.net/11012/195751
dc.language.isoencs
dc.publisherSpringer Naturecs
dc.relation.ispartofScientific Reportscs
dc.relation.urihttps://www.nature.com/articles/s41598-020-61673-0cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2045-2322/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjecttransitionen
dc.subjectdichalcogenidesen
dc.titleThe effect of metallic substrates on the optical properties of monolayer MoSe2en
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-165375en
sync.item.dbtypeVAVen
sync.item.insts2020.12.02 16:54:41en
sync.item.modts2020.12.02 16:14:18en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Magneto-Optická a THz Spektroskopiecs
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