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Enhancing the Color Rendering Index for Phosphor-converted White LEDs Using Cadmium-Free CuInS2/ZnS QDs

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dc.contributor.authorChuang, Po-Hsiang-
dc.contributor.authorLin, Chun Che-
dc.contributor.authorYang, Heesun-
dc.contributor.authorLiu, Ru-Shi-
dc.date.accessioned2021-11-11T04:41:08Z-
dc.date.available2021-11-11T04:41:08Z-
dc.date.created2021-11-10-
dc.date.issued2013-07-
dc.identifier.issn0009-4536-
dc.identifier.urihttps://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/17104-
dc.description.abstractCuInS2 (CIS) I-III-VI-type quantum dots (QDs) were synthesized under different growth times by the facile solvothermal method. Emission wavelengths showed a deep red region (630 - 650 nm) with low quantum yields (QYs). The core CIS was effectively passivated by the coating layer of ZnS, thereby remarkably increasing the QYs (48% and 82%) and causing the blue shift of the emission band (580 - 623 nm). Red-emitting CIS/ZnS QDs that were blended with Y3Al5O12:Ce3+ phosphor-based white light-emitting diodes (LEDs) were further demonstrated. The color rendering index of white LEDs was improved (Ra = 86) by using red-emitting CIS/ZnS QDs with broader spectra. The optical properties were evaluated under various forward currents; these properties included the electroluminescence spectra and luminous efficiency of CIS/ZnS QDs-assisted white LEDs. These results clearly showed that CIS/ZnS QDs are promising candidates for application in white LEDs.-
dc.language영어-
dc.language.isoen-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.subjectLIGHT-EMITTING-DIODES-
dc.subjectQUANTUM DOTS-
dc.subjectNANOCRYSTALS-
dc.subjectBLUE-
dc.titleEnhancing the Color Rendering Index for Phosphor-converted White LEDs Using Cadmium-Free CuInS2/ZnS QDs-
dc.typeArticle-
dc.contributor.affiliatedAuthorYang, Heesun-
dc.identifier.doi10.1002/jccs.201200556-
dc.identifier.scopusid2-s2.0-84885667923-
dc.identifier.wosid000327695600017-
dc.identifier.bibliographicCitationJOURNAL OF THE CHINESE CHEMICAL SOCIETY, v.60, no.7, pp.801 - 806-
dc.relation.isPartOfJOURNAL OF THE CHINESE CHEMICAL SOCIETY-
dc.citation.titleJOURNAL OF THE CHINESE CHEMICAL SOCIETY-
dc.citation.volume60-
dc.citation.number7-
dc.citation.startPage801-
dc.citation.endPage806-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.subject.keywordPlusLIGHT-EMITTING-DIODES-
dc.subject.keywordPlusQUANTUM DOTS-
dc.subject.keywordPlusNANOCRYSTALS-
dc.subject.keywordPlusBLUE-
dc.subject.keywordAuthorCuInS2 (CIS) I-III-VI-
dc.subject.keywordAuthorQuantum dots-
dc.subject.keywordAuthorWhite light-emitting diodes-
dc.subject.keywordAuthorColor rendering index-
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