Efficient nonradiative energy transfer from InGaN/GaN nanopillars to CdSe/ZnS core/shell nanocrystals

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buir.contributor.authorDemir, Hilmi Volkan
buir.contributor.orcidDemir, Hilmi Volkan|0000-0003-1793-112X
dc.citation.epage163108-3en_US
dc.citation.issueNumber16en_US
dc.citation.spage163108-1en_US
dc.citation.volumeNumber98en_US
dc.contributor.authorNizamoglu, S.en_US
dc.contributor.authorGuzelturk, B.en_US
dc.contributor.authorJeon, D. W.en_US
dc.contributor.authorLee, I. H.en_US
dc.contributor.authorDemir, Hilmi Volkanen_US
dc.date.accessioned2015-07-28T12:00:00Z
dc.date.available2015-07-28T12:00:00Z
dc.date.issued2011-04-20en_US
dc.departmentDepartment of Physicsen_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractIn this study, we propose and demonstrate efficient electron-hole pair injection from InGaN/GaN multiple quantum well nanopillars (MQW-NPs) to CdSe/ZnS core/shell nanocrystal quantum dots (NQDs) via Forster-type nonradiative energy transfer. For that we hybridize blue-emitting MQW-NPs with red-emitting NQDs and the resultant exciton transfer reaches a maximum rate of (0.192 ns)(-1) and a maximum efficiency of 83.0%. By varying the effective bandgap of core/shell NQDs, we conveniently control and tune the excitonic energy transfer rate for these NQD integrated hybrids, and our measured and computed exciton transfer rates are found to be in good agreement for all hybrid cases.en_US
dc.identifier.doi10.1063/1.3562035en_US
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/11693/12102
dc.language.isoEnglishen_US
dc.publisherAIP Publishingen_US
dc.relation.isversionofhttp://dx.doi.org/10.1063/1.3562035en_US
dc.source.titleApplied Physics Lettersen_US
dc.subjectLight-emitting-diodesen_US
dc.subjectSemiconductor quantum-wellen_US
dc.subjectColor-conversionen_US
dc.subjectOrganic materialen_US
dc.subjectOverlayeren_US
dc.titleEfficient nonradiative energy transfer from InGaN/GaN nanopillars to CdSe/ZnS core/shell nanocrystalsen_US
dc.typeArticleen_US

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Department of Physics
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Institute of Materials Science and Nanotechnology (UNAM)