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Enhancement of light extraction in GaN-based light-emitting diodes by Al2O3-coated ZnO nanorod arrays

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dc.contributor.authorPark, Jinsub-
dc.contributor.authorShin, Dong Su-
dc.contributor.authorKim, Do-Hyun-
dc.date.accessioned2022-07-16T02:53:22Z-
dc.date.available2022-07-16T02:53:22Z-
dc.date.issued2014-10-
dc.identifier.issn0925-8388-
dc.identifier.issn1873-4669-
dc.identifier.urihttps://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/159031-
dc.description.abstractWe report on the improvement of light extraction efficiency in blue light-emitting diodes (LEDs) by the use of Al2O3/ZnO core/shell nanorods (NRs) grown on the surface of the LED epi-structure. The electroluminescence intensity at a current injection of 20 mA of LEDs with 40 nm-thick Al2O3-coated ZnO NR arrays is 2.1 and 4.0 times than those of LEDs with bare ZnO NRs and no NRs, respectively. The enhanced light extraction of LEDs with Al2O3-coated ZnO NRs can be attributed to an increase in transmission and improved light extraction probability for photons generated in blue LEDs due to a reduction of Fresnel reflection loss.-
dc.format.extent4-
dc.language영어-
dc.language.isoENG-
dc.publisherElsevier BV-
dc.titleEnhancement of light extraction in GaN-based light-emitting diodes by Al2O3-coated ZnO nanorod arrays-
dc.typeArticle-
dc.publisher.location스위스-
dc.identifier.doi10.1016/j.jallcom.2014.05.019-
dc.identifier.scopusid2-s2.0-84902170317-
dc.identifier.wosid000338932400026-
dc.identifier.bibliographicCitationJournal of Alloys and Compounds, v.611, pp 157 - 160-
dc.citation.titleJournal of Alloys and Compounds-
dc.citation.volume611-
dc.citation.startPage157-
dc.citation.endPage160-
dc.type.docTypeArticle-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClasssci-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaMetallurgy & Metallurgical Engineering-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryMetallurgy & Metallurgical Engineering-
dc.subject.keywordPlusAlumina-
dc.subject.keywordPlusAluminum oxide-
dc.subject.keywordPlusDiodes-
dc.subject.keywordPlusElectroluminescence-
dc.subject.keywordPlusGallium nitride-
dc.subject.keywordPlusII-VI semiconductors-
dc.subject.keywordPlusIII-V semiconductors-
dc.subject.keywordPlusLight-
dc.subject.keywordAuthorGaN-
dc.subject.keywordAuthorLight-emitting diodes-
dc.subject.keywordAuthorAl2O3/ZnO-
dc.subject.keywordAuthorNano-hybrid-
dc.subject.keywordAuthorLight extraction-
dc.identifier.urlhttps://www.sciencedirect.com/science/article/pii/S0925838814010858?via%3Dihub-
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