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Enhancement of Biexciton Emission Due to Long-Range Interaction of Single Quantum Dots and Gold Nanorods in a Thin-Film Hybrid Nanostructure

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dc.contributor.authorSanchez-Iglesias, A.
dc.contributor.authorGrzelczak, M.
dc.contributor.authorKrivenkov, V.
dc.contributor.authorGoncharov, S.
dc.contributor.authorSamokhvalov, P.
dc.contributor.authorNabiev, I.
dc.contributor.authorRakovich, Y.
dc.contributor.authorСамохвалов, Павел Сергеевич
dc.contributor.authorНабиев, Игорь Руфаилович
dc.date.accessioned2024-11-20T09:22:37Z
dc.date.available2024-11-20T09:22:37Z
dc.date.issued2019
dc.description.abstract© 2019 American Chemical Society. Semiconductor quantum dots (QDs) are known for their ability to exhibit multiphoton emission caused by recombination of biexcitons (BX). However, the quantum yield (QY) of BX emission is low due to the fast Auger process. Plasmonic nanoparticles (PNPs) provide an attractive opportunity to accelerate BX radiative recombination. Here, we demonstrate the PNPs induced distance-controlled enhancement of BX emission of single QDs. Studying the same single QD before and after its integration with the PNPs, we observed a plasmon-mediated increase in the QY of BX emission. Remarkably, the enhancement of BX emission remains pronounced even at distances of 170 nm. We attribute this effect to efficient coupling, which results in the trade-off between resonance energy transfer from QD to gold nanorods and the Purcell effect at small QD-PNP separations and the predominant influence of the Purcell effect at longer distances. Our findings constitute a reliable approach to managing the efficiency of multiexciton emission over a wide span of distances, thus paving the way for new applications.
dc.format.extentС. 481-486
dc.identifier.citationEnhancement of Biexciton Emission Due to Long-Range Interaction of Single Quantum Dots and Gold Nanorods in a Thin-Film Hybrid Nanostructure / Sanchez-Iglesias, A. [et al.] // Journal of Physical Chemistry Letters. - 2019. - 10. - № 3. - P. 481-486. - 10.1021/acs.jpclett.8b03549
dc.identifier.doi10.1021/acs.jpclett.8b03549
dc.identifier.urihttps://www.doi.org/10.1021/acs.jpclett.8b03549
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85060296688&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000458704800025
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/16483
dc.relation.ispartofJournal of Physical Chemistry Letters
dc.titleEnhancement of Biexciton Emission Due to Long-Range Interaction of Single Quantum Dots and Gold Nanorods in a Thin-Film Hybrid Nanostructure
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume10
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