Planar semiconductor membranes with brightness enhanced embedded quantum dots via electron beam induced deposition of 3D nanostructures: Implications for solid state lighting

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dc.contributor.authorVaro, Simone
dc.contributor.authorLi, Xin
dc.contributor.authorJuska, Gediminas
dc.contributor.authorRanjbar Jahromi, Iman
dc.contributor.authorGocaliƄska, Agnieszka M.
dc.contributor.authorDi Falco, Andrea
dc.contributor.authorPelucchi, Emanuele
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEngineering and Physical Sciences Research Councilen
dc.contributor.funderEuropean Research Councilen
dc.date.accessioned2021-01-25T10:55:35Z
dc.date.available2021-01-25T10:55:35Z
dc.date.issued2020-12-11
dc.date.updated2021-01-25T10:39:17Z
dc.description.abstractThe engineering of the surrounding photonic environment is one of the most successful approaches routinely used to increase light extraction efficiency and tune the properties of solid state sources of quantum light. However, results achieved so far have been hampered by the lack of a technology that allows for the straightforward fabrication of large-scale 3D nano- and micro- features, with very high resolution and sufficient flexibility in terms of available materials. In this paper we show that electron beam induced deposition can be a very promising approach to solve this issue, as exemplified by the fabrication of Pt and SiO2 nanofeatures on a membrane containing ordered arrays of site-controlled pyramidal quantum dots. Micro-photoluminescence has been used to compare the emission of the dots before and after the deposition of the structures, remarkably showing both a significant increase in the light extraction efficiency and no degradation of the spectral quality, implying that negligible damage has been caused to the emitter due to the deposition process. This paves the way for novel post-growth processing strategies for epitaxial quantum dots used in both quantum information technologies and lighting applications.en
dc.description.sponsorshipScience Foundation Ireland (Grant Nos. 15/IA/2864 and 12/RC/2276_P2); Engineering and Physical Sciences Research Council (EP/L017008/1); European Research Council (Grant No. 819346)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationVaro, S., Li, X., Juska, G., Ranjbar Jahromi, I., Gocalinska, A. M., Di Falco, A. and Pelucchi, E. (2020) 'Planar semiconductor membranes with brightness enhanced embedded quantum dots via electron beam induced deposition of 3D nanostructures: Implications for solid state lighting', ACS Applied Nano Materials, 3(12), pp. 12401-12407. doi: 10.1021/acsanm.0c02969en
dc.identifier.doi10.1021/acsanm.0c02969en
dc.identifier.eissn2574-0970
dc.identifier.endpage12407en
dc.identifier.issued12en
dc.identifier.journaltitleACS Applied Nano Materialsen
dc.identifier.startpage12401en
dc.identifier.urihttps://hdl.handle.net/10468/10955
dc.identifier.volume3en
dc.language.isoenen
dc.publisherAmerican Chemical Societyen
dc.relation.urihttps://doi.org/10.17630/a4f40732-16ae-47a6-9cc1-7215d962726a
dc.rights© 2020, American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Nano Materials, after technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsanm.0c02969en
dc.subjectArraysen
dc.subjectQuantum dotsen
dc.subjectElectron beam induced depositionen
dc.subjectMicrolensesen
dc.subjectAdditive manufacturingen
dc.subjectPhotonic trimmingen
dc.titlePlanar semiconductor membranes with brightness enhanced embedded quantum dots via electron beam induced deposition of 3D nanostructures: Implications for solid state lightingen
dc.typeArticle (peer-reviewed)en
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