Quenching-Resistant Polymer Carbon Dot Preserving Emission Color Consistency in Solid-State

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dc.contributor.authorKwak, Byeong Eunko
dc.contributor.authorYoo, Hyo Jeongko
dc.contributor.authorKim, Do Hyunko
dc.date.accessioned2019-12-20T06:20:56Z-
dc.date.available2019-12-20T06:20:56Z-
dc.date.created2019-10-07-
dc.date.issued2019-12-
dc.identifier.citationADVANCED OPTICAL MATERIALS, v.7, no.23, pp.1900932-
dc.identifier.issn2195-1071-
dc.identifier.urihttp://hdl.handle.net/10203/270018-
dc.description.abstractSolid-state luminescent carbon dot without dispersion matrices is studied to overcome aggregation-caused quenching, but it usually shows spectral shift between solution- and solid-state accompanying a dramatic decrease of fluorescence intensity, which hinders a real application. Herein, polymer carbon dot (PCD) showing solid-state luminescence without red-shift is synthesized by low-temperature reaction. The PCD solution and solid have the same emission peaks at 434 nm and similar absolute quantum yields of 68.2% and 62.7%, respectively, which is uncommon feature compared to other carbon dots. The mechanism for solid-state luminescence and emission color consistency is investigated by structural analysis of the PCD compared to carbon dot that shows red-shift in solid-state. The PCD is utilized into light-emitting diode application as a phosphor, and little color change in emission without significant decrease in luminous efficacy is achieved even with high loading fraction (50 wt%), opening the possibility of real application in solid-state lighting.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.titleQuenching-Resistant Polymer Carbon Dot Preserving Emission Color Consistency in Solid-State-
dc.typeArticle-
dc.identifier.wosid000486900400001-
dc.type.rimsART-
dc.citation.volume7-
dc.citation.issue23-
dc.citation.beginningpage1900932-
dc.citation.publicationnameADVANCED OPTICAL MATERIALS-
dc.identifier.doi10.1002/adom.201900932-
dc.contributor.localauthorKim, Do Hyun-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthoraggregation-caused quenching-
dc.subject.keywordAuthoremission color consistency-
dc.subject.keywordAuthorpolymer carbon dots-
dc.subject.keywordAuthorred-shift-
dc.subject.keywordAuthorsolid-state luminescence-
dc.subject.keywordPlusGRAPHENE QUANTUM DOTS-
dc.subject.keywordPlusLIGHT-EMITTING-DIODES-
dc.subject.keywordPlusCITRIC-ACID-
dc.subject.keywordPlusPHOTOLUMINESCENCE MECHANISM-
dc.subject.keywordPlusFLUORESCENCE-
dc.subject.keywordPlusNANODOTS-
dc.subject.keywordPlusNITROGEN-
dc.subject.keywordPlusORIGIN-
dc.subject.keywordPlusYIELD-
dc.subject.keywordPlusCARBONIZATION-
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