Electroluminescence Efficiency Enhancement in Quantum Dot Light-Emitting Diodes by Embedding a Silver Nanoisland Layer

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dc.contributor.author Yang, Xuyong
dc.contributor.author Hernandez-Martinez, Pedro Ludwig
dc.contributor.author Dang, Cuong
dc.contributor.author Mutlugun, Evren
dc.contributor.author Zhang, Kang
dc.contributor.author Demir, Hilmi Volkan
dc.contributor.author Sun, Xiao Wei
dc.contributor.department AGÜ, Mühendislik Fakültesi, Elektrik & Elektronik Mühendisliği Bölümü en_US
dc.contributor.institutionauthor
dc.date.accessioned 2020-02-04T07:24:05Z
dc.date.available 2020-02-04T07:24:05Z
dc.date.issued 2015 en_US
dc.description The authors would like to thank the financial support from Singapore National Research Foundation under NRF-RF-2009-09, NRF-CRP-6-2010-02, and NRF-CRP-11-2012-01 and the Science and Engineering Research Council, Agency for Science, Technology and Research (A*STAR) of Singapore (Project Nos. 092 101 0057 and 112 120 2009). H.V.D also acknowledges ESF EURYI and TUBA. en_US
dc.description.abstract A colloidal quantum dot light-emitting diode (QLED) is reported with substantially enhanced electroluminescence by embedding a thin layer of Ag nanoislands into hole transport layer. The maximum external quantum efficiency (EQE) of 7.1% achieved in the present work is the highest efficiency value reported for green-emitting QLEDs with a similar structure, which corresponds to 46% enhancement compared with the reference device. The relevant mechanisms enabling the EQE enhancement are associated with the near-field enhancement via an effective coupling between excitons of the quantum dot emitters and localized surface plasmons around Ag nanoislands, which are found to lead to good agreement between the simulation results and the experimental data, providing us with a useful insight important for plasmonic QLEDs. en_US
dc.description.sponsorship Singapore National Research Foundation NRF-RF-2009-09 NRF-CRP-6-2010-02 NRF-CRP-11-2012-01 Agency for Science Technology & Research (ASTAR) 092 101 0057 112 120 2009 en_US
dc.identifier.doi 10.1002/adom.201500172
dc.identifier.issn 2195-1071
dc.identifier.other 10.1002/adom.201500172
dc.identifier.uri https://hdl.handle.net/20.500.12573/111
dc.language.iso eng en_US
dc.publisher WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY en_US
dc.relation.ispartofseries Volume: 3;
dc.relation.ispartofseries Issue: 10;
dc.relation.ispartofseries Pages: 1439-1445;
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.subject NANOCRYSTALS en_US
dc.subject DEVICES en_US
dc.subject EXCITON en_US
dc.subject NANOPARTICLES en_US
dc.subject LUMINESCENCE en_US
dc.subject FLUORESCENCE en_US
dc.subject PERFORMANCE en_US
dc.subject SELENIDE en_US
dc.subject BRIGHT en_US
dc.title Electroluminescence Efficiency Enhancement in Quantum Dot Light-Emitting Diodes by Embedding a Silver Nanoisland Layer en_US
dc.type article en_US

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