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dc.contributor.authorShabani, Farzan
dc.contributor.authorDehghanpour Baruj, Hamed
dc.contributor.authorYurdakul, Iklim
dc.contributor.authorDelikanli, Savas
dc.contributor.authorGheshlaghi, Negar
dc.contributor.authorIsik, Furkan
dc.contributor.authorLiu, Baiquan
dc.contributor.authorAltintas, Yemliha
dc.contributor.authorCanimkurbey, Betul
dc.contributor.authorDemir, Hilmi Volkan
dc.date.accessioned2022-03-04T11:39:05Z
dc.date.available2022-03-04T11:39:05Z
dc.date.issued2021en_US
dc.identifier.issn1613-6810
dc.identifier.issn1613-6829
dc.identifier.urihttps //doi.org/10.1002/smll.202106115
dc.identifier.urihttps://hdl.handle.net/20.500.12573/1235
dc.descriptionThe authors gratefully acknowledge the financial support in part from Singapore National Research Foundation under the programs of NRFNRFI2016-08, NRF-CRP14-2014-03 and the Science and Engineering Research Council, Agency for Science, Technology and Research (A*STAR) of Singapore and in part from TUBITAK 115F297, 117E713, and 119N343. H.V.D. also acknowledges support from TUBA.en_US
dc.description.abstractExtending the emission peak wavelength of quasi-2D colloidal quantum wells has been an important quest to fully exploit the potential of these materials, which has not been possible due to the complications arising from the partial dissolution and recrystallization during growth to date. Here, the synthetic pathway of (CdSe/CdS)@(1-4 CdS/CdZnS) (core/crown)@(colloidal atomic layer deposition shell/hot injection shell) hetero-nanoplatelets (NPLs) using multiple techniques, which together enable highly efficient emission beyond 700 nm in the deep-red region, is proposed and demonstrated. Given the challenges of using conventional hot injection procedure, a method that allows to obtain sufficiently thick and passivated NPLs as the seeds is developed. Consequently, through the final hot injection shell coating, thick NPLs with superior optical properties including a high photoluminescence quantum yield of 88% are achieved. These NPLs emitting at 701 nm exhibit a full-width-at-half-maximum of 26 nm, enabled by the successfully maintained quasi-2D shape and minimum defects of the resulting heterostructure. The deep-red light-emitting diode (LED) device fabricated with these NPLs has shown to yield a high external quantum efficiency of 6.8% at 701 nm, which is on par with other types of LEDs in this spectral range.en_US
dc.description.sponsorshipTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) 115F297 117E713 119N343en_US
dc.language.isoengen_US
dc.publisherWILEY-V C H VERLAG GMBHPOSTFACH 101161, 69451 WEINHEIM, GERMANYen_US
dc.relation.isversionof10.1002/smll.202106115en_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectcolloidal quantum wellsen_US
dc.subjectdeep-reden_US
dc.subjecthot injectionen_US
dc.subjectlight-emitting diodesen_US
dc.subjectsemiconductor nanoplateletsen_US
dc.titleDeep-Red-Emitting Colloidal Quantum Well Light-Emitting Diodes Enabled through a Complex Design of Core/Crown/Double Shell Heterostructureen_US
dc.typearticleen_US
dc.contributor.departmentAGÜ, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümüen_US
dc.contributor.institutionauthorAltintas, Yemliha
dc.relation.journalSMALLen_US
dc.relation.tubitak115F297 117E713 119N343
dc.relation.publicationcategoryMakale - Uluslararası - Editör Denetimli Dergien_US


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