Anti‐Stokes Photoluminescence of Monolayer WS2

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dc.contributor.authorPierret, Aurélie
dc.contributor.authorTornatzky, Hans
dc.contributor.authorMaultzsch, Janina
dc.date.accessioned2020-02-13T16:30:45Z
dc.date.available2020-02-13T16:30:45Z
dc.date.issued2019-10-09
dc.description.abstractAnti‐Stokes photoluminescence excitation of a WS2 monolayer flake between 10 and 300 K is reported herein. Even with continuous‐wave lasers at low power, the emission of the exciton at excitation 100 meV below its emission energy at room temperature is observed. A mechanism which involves the trions as the intermediate state is proposed, leading to an efficient up‐conversion process. In addition, it is demonstrated that phonons are the source of the additional energy needed by the system. Overall, the results provide evidence that anti‐Stokes luminescence in transition metal dichalcogenides is very efficient.en
dc.description.sponsorshipEC/FP7/259286/EU/Characterizing and Controlling Carbon Nanomaterials/CCCANen
dc.description.sponsorshipDFG, 53244630, EXC 315: Neue Materialien und Prozesse - Hierarchische Strukturbildung für funktionale Bauteileen
dc.description.sponsorshipDFG, 43659573, SFB 787: Halbleiter - Nanophotonik: Materialien, Modelle, Bauelementeen
dc.description.sponsorshipTU Berlin, Open-Access-Mittel - 2019en
dc.identifier.eissn1521-3951
dc.identifier.issn0370-1972
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/10774
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-9669
dc.language.isoenen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subject.ddc530 Physikde
dc.subject.otheranti-Stokes excitationen
dc.subject.otherexcitonsen
dc.subject.othermonolayersen
dc.subject.otherphotoluminescenceen
dc.subject.othertransition metal dichalcogenidesen
dc.titleAnti‐Stokes Photoluminescence of Monolayer WS2en
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.articlenumber1900419en
dcterms.bibliographicCitation.doi10.1002/pssb.201900419en
dcterms.bibliographicCitation.issue12en
dcterms.bibliographicCitation.journaltitlephysica status solidi (b) basic solid state physicsen
dcterms.bibliographicCitation.originalpublishernameWileyen
dcterms.bibliographicCitation.originalpublisherplaceWeinheimen
dcterms.bibliographicCitation.volume256en
tub.accessrights.dnbfreeen
tub.affiliationFak. 2 Mathematik und Naturwissenschaften::Inst. Festkörperphysikde
tub.affiliation.facultyFak. 2 Mathematik und Naturwissenschaftende
tub.affiliation.instituteInst. Festkörperphysikde
tub.publisher.universityorinstitutionTechnische Universität Berlinen

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