Continuously tunable emission in inverted type-I CdS/CdSe core/crown semiconductor nanoplatelets

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dc.authorid0000-0003-3905-376Xen_US
dc.authorid0000-0003-1616-2728en_US
dc.authorid0000-0002-6250-6977en_US
dc.authorid0000-0002-0613-8014
dc.authorid0000-0003-1977-6485
dc.contributor.authorDelikanlı, Savaş
dc.contributor.authorGüzeltürk, Burak
dc.contributor.authorHernandez-Martinez, Pedro L.
dc.contributor.authorErdem, Talha
dc.contributor.authorKeleştemur, Yusuf
dc.contributor.authorOlutaş, Murat
dc.date.accessioned2021-06-23T19:41:59Z
dc.date.available2021-06-23T19:41:59Z
dc.date.issued2015
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.description.abstractThe synthesis and unique tunable optical properties of core/crown nanoplatelets having an inverted Type-I heterostructure are presented. Here, colloidal 2D CdS/CdSe heteronanoplatelets are grown with thickness of four monolayers using seed-mediated method. In this work, it is shown that the emission peak of the resulting CdS/CdSe heteronanoplatelets can be continuously spectrally tuned between the peak emission wavelengths of the core only CdS nanoplatelets (421 nm) and CdSe nanoplatelets (515 nm) having the same vertical thickness. In these inverted Type-I nanoplatelets, the unique continuous tunable emission is enabled by adjusting the lateral width of the CdSe crown, having a narrower bandgap, around the core CdS nanoplatelet, having a wider bandgap, as a result of the controlled lateral quantum confinement in the crown region additional to the pure vertical confinement. As a proof-of-concept demonstration, a white light generation is shown by using color conversion with these CdS/CdSe heteronanoplatelets having finely tuned thin crowns, resulting in a color rendering index of 80. The robust control of the electronic structure in such inverted Type-I heteronanoplatelets achieved by tailoring the lateral extent of the crown coating around the core template presents a new enabling pathway for bandgap engineering in solution-processed quantum wells.en_US
dc.identifier.doi10.1002/adfm.201500403
dc.identifier.endpage4289en_US
dc.identifier.issn1616-301X
dc.identifier.issn1616-3028
dc.identifier.issue27en_US
dc.identifier.scopus2-s2.0-84948577323en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage4282en_US
dc.identifier.urihttps://doi.org/10.1002/adfm.201500403
dc.identifier.urihttps://hdl.handle.net/20.500.12491/8279
dc.identifier.volume25en_US
dc.identifier.wosWOS:000357996600012en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorOlutaş, Murat
dc.language.isoenen_US
dc.publisherWiley-V C H Verlag Gmbhen_US
dc.relation.ispartofAdvanced Functional Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSemiconductor Nanoplateletsen_US
dc.titleContinuously tunable emission in inverted type-I CdS/CdSe core/crown semiconductor nanoplateletsen_US
dc.typeArticleen_US

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