Highly efficient nonradiative energy transfer using charged CdSe/ZnS nanocrystals for light-harvesting in solution

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buir.contributor.authorDemir, Hilmi Volkan
buir.contributor.orcidDemir, Hilmi Volkan|0000-0003-1793-112X
dc.citation.epage033106-3en_US
dc.citation.issueNumber3en_US
dc.citation.spage033106-1en_US
dc.citation.volumeNumber95en_US
dc.contributor.authorMutlugün, E.en_US
dc.contributor.authorNizamoğlu, S.en_US
dc.contributor.authorDemir, Hilmi Volkanen_US
dc.date.accessioned2016-02-08T10:03:23Z
dc.date.available2016-02-08T10:03:23Z
dc.date.issued2009-07-20en_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractWe propose and demonstrate highly efficient nonradiative Förster resonance energy transfer (FRET) facilitated by the use of positively charged CdSe/ZnS core-shell nanocrystals (NCs) for light-harvesting in solution. With rhodamine B dye molecules used as the acceptors, our time-resolved photoluminescence measurements show substantial lifetime modifications of these amine-functionalized NC donors from 18.16 to 1.88 ns with FRET efficiencies >90% in solution. These strong modifications allow for light-harvesting beyond the absorption spectral range of the acceptor dye molecules.en_US
dc.identifier.doi10.1063/1.3182798en_US
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/11693/22684
dc.language.isoEnglishen_US
dc.publisherAmerican Institute of Physicsen_US
dc.relation.isversionofhttp://dx.doi.org/10.1063/1.3182798en_US
dc.source.titleApplied Physics Lettersen_US
dc.subjectCdSe/ZnSen_US
dc.subjectCore-Shell Nanocrystalsen_US
dc.subjectDye moleculeen_US
dc.subjectFunctionalizeden_US
dc.subjectLight-harvestingen_US
dc.subjectNon-radiativeen_US
dc.subjectNonradiative energy transferen_US
dc.subjectPositively chargeden_US
dc.subjectResonance energy transferen_US
dc.subjectRhodamine B dyeen_US
dc.subjectSpectral rangeen_US
dc.subjectTime-resolved photoluminescenceen_US
dc.subjectAminesen_US
dc.subjectEnergy transferen_US
dc.subjectNanocrystalsen_US
dc.subjectHarvestingen_US
dc.titleHighly efficient nonradiative energy transfer using charged CdSe/ZnS nanocrystals for light-harvesting in solutionen_US
dc.typeArticleen_US

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