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Structural control of InP/ZnS core/shell quantum dots enables high-quality white LEDs

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dc.contributor.coauthorOw-Yang, Cleva W.
dc.contributor.departmentDepartment of Electrical and Electronics Engineering
dc.contributor.departmentGraduate School of Sciences and Engineering
dc.contributor.facultymemberYes
dc.contributor.kuauthorAria, Mohammad Mohammadi
dc.contributor.kuauthorJalali, Houman Bahmani
dc.contributor.kuauthorKumar, Baskaran Ganesh
dc.contributor.kuauthorMelikov, Rustamzhon
dc.contributor.kuauthorNizamoğlu, Sedat
dc.contributor.kuauthorSadeghi, Sadra
dc.contributor.schoolcollegeinstituteCollege of Engineering
dc.contributor.schoolcollegeinstituteGRADUATE SCHOOL OF SCIENCES AND ENGINEERING
dc.date.accessioned2024-11-09T23:01:21Z
dc.date.issued2018
dc.description.abstractHerein, we demonstrate that the structural and optical control of InP-based quantum dots (QDs) can lead to high-performance light-emitting diodes (LEDs). Zinc sulphide (ZnS) shells passivate the InP QD core and increase the quantum yield in green-emitting QDs by 13-fold and redemitting QDs by 8-fold. The optimised QDs are integrated in the liquid state to eliminate aggregation-induced emission quenching and we fabricated white LEDs with a warm, neutral and cool-white appearance by the down-conversion mechanism The QD-functionalized white LEDs achieve luminous efficiency (LE) up to 14.7 lm W-1 and colour-rendering index up to 80. The structural and optical control of InP/ZnS core/shell QDs enable 23-fold enhancement in LE of white LEDs compared to ones containing only QDs of InP core.
dc.description.fulltextNo
dc.description.harvestedfromManual
dc.description.indexedbyWOS
dc.description.indexedbyScopus
dc.description.indexedbyPubMed
dc.description.openaccessNO
dc.description.peerreviewstatusN/A
dc.description.publisherscopeInternational
dc.description.readpublishN/A
dc.description.sponsoredbyTubitakEuEU - TÜBİTAK
dc.description.sponsorshipScientific and Technological Research Council of Türkiye (TÜBİTAK) [115E115, 115E242, 114F317, 115F451, 114E194]
dc.description.sponsorshipMarie Curie Career Integration Grant (PROTEINLED) [631679]
dc.description.sponsorshipTurkish Academy of Sciences
dc.description.studentonlypublicationNo
dc.description.studentpublicationYes
dc.description.versionN/A
dc.identifier.WoSQuartileQ3
dc.identifier.doi10.1088/1361-6528/aac8c9
dc.identifier.eissn1361-6528
dc.identifier.embargoN/A
dc.identifier.grantno115E115
dc.identifier.grantno115E242
dc.identifier.grantno114F317
dc.identifier.grantno115F451
dc.identifier.grantno114E194
dc.identifier.grantno631679
dc.identifier.issn0957-4484
dc.identifier.issue34
dc.identifier.pubmed29846177
dc.identifier.scopus2-s2.0-85049330929
dc.identifier.urihttps://doi.org/10.1088/1361-6528/aac8c9
dc.identifier.urihttps://hdl.handle.net/20.500.14288/8222
dc.identifier.volume29
dc.identifier.wos000435579200004
dc.keywordsLED
dc.keywordsQuantum dot
dc.keywordsSynthesis
dc.keywordsNanoparticles
dc.keywordsLighting
dc.language.isoeng
dc.publisherInstitute of Physics (IOP) Publishing
dc.relation.affiliationKoç University
dc.relation.collectionKoç University Institutional Repository
dc.relation.ispartofNanotechnology
dc.relation.openaccessN/A
dc.rightsN/A
dc.subjectNanoscience
dc.subjectNanotechnology
dc.subjectMaterials science
dc.subjectPhysics
dc.titleStructural control of InP/ZnS core/shell quantum dots enables high-quality white LEDs
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.kuauthorKumar, Baskaran Ganesh
local.contributor.kuauthorSadeghi, Sadra
local.contributor.kuauthorMelikov, Rustamzhon
local.contributor.kuauthorAria, Mohammad Mohammadi
local.contributor.kuauthorJalali, Houman Bahmani
local.contributor.kuauthorNizamoğlu, Sedat
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