Near-infrared emission from CdSe-Based nanoplatelets induced by Ytterbium doping

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buir.contributor.authorShabani, Farzan
buir.contributor.authorIşık, Furkan
buir.contributor.authorDelikanlı, Savaş
buir.contributor.authorSharma, Vijay Kumar
buir.contributor.authorDemir, Hilmi Volkan
buir.contributor.orcidShabani, Farzan|0000-0003-2174-5960
buir.contributor.orcidIşık, Furkan|0000-0001-5881-5438
buir.contributor.orcidDelikanlı, Savaş|0000-0002-0613-8014
buir.contributor.orcidDemir, Hilmi Volkan|0000-0003-1793-112X
dc.citation.epage4217en_US
dc.citation.issueNumber8
dc.citation.spage4210
dc.citation.volumeNumber127
dc.contributor.authorİzmir, Merve
dc.contributor.authorDurmusoglu, Emek G.
dc.contributor.authorSharma, Manoj
dc.contributor.authorShabani, Farzan
dc.contributor.authorIşık, Furkan
dc.contributor.authorDelikanlı, Savaş
dc.contributor.authorSharma, Vijay Kumar
dc.contributor.authorDemir, Hilmi Volkan
dc.date.accessioned2024-03-12T13:46:38Z
dc.date.available2024-03-12T13:46:38Z
dc.date.issued2023-02-15
dc.departmentDepartment of Electrical and Electronics Engineering
dc.departmentDepartment of Physics
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)
dc.description.abstractCadmium selenide (CdSe) nanoplatelets (NPLs) have attracted significant attention thanks to their favorable optical properties, including narrow emission linewidths, reduced Auger recombination, and a high absorption cross section. However, the photoluminescence (PL) quantum yield (QY) in the near-infrared (NIR) region is poor as compared to that in the visible region. Doping of metal ions is proven to be a successful strategy for inducing Stokes-shifted NIR emission. Here, we report the first account of the successful doping of ytterbium (Yb) into CdSe NPLs by a modified seeded-growth method. The successful incorporation of divalent Yb ions into CdSe NPLs resulted in an additional NIR emission apart from their excitonic emission. By optimizing the dopant concentration, we observed an impressive PL QY of ∼55% for these Yb-doped NPLs. Detailed elemental and optical characterizations were conducted to understand the emerging photophysical properties of these Yb-doped NPLs. These NIR-emitting lanthanide-doped CdSe NPLs might have applications in the next-generation bioimaging, night vision, and photodetection. © 2023 The Authors. Published by American Chemical Society
dc.description.provenanceMade available in DSpace on 2024-03-12T13:46:38Z (GMT). No. of bitstreams: 1 Near-infrared_ emission_ from_ CdSe-Based_ nanoplatelets_ induced_ by_ Ytterbium_ doping.pdf: 4161052 bytes, checksum: c932a8123ed983f8e17a39533ec3f922 (MD5) Previous issue date: 2023-03-02en
dc.identifier.eissn1932-7455
dc.identifier.issn1932-7447
dc.identifier.urihttps://hdl.handle.net/11693/114628
dc.language.isoen_US
dc.publisherAmerican Chemical Society
dc.relation.isversionofhttps://dx.doi.org/10.1021/acs.jpcc.2c09075
dc.rightsCC BY-NC-ND 4.0 DEED (Attribution-NonCommercial-NoDerivs 4.0 International)
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.source.titleJournal of Physical Chemistry C
dc.titleNear-infrared emission from CdSe-Based nanoplatelets induced by Ytterbium doping
dc.typeArticle

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Department of Electrical and Electronics Engineering
Department of Physics
Institute of Materials Science and Nanotechnology (UNAM)