DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kwak, Byeong Eun | ko |
dc.contributor.author | Yoo, Hyo Jeong | ko |
dc.contributor.author | Kim, Do Hyun | ko |
dc.date.accessioned | 2019-12-20T06:20:56Z | - |
dc.date.available | 2019-12-20T06:20:56Z | - |
dc.date.created | 2019-10-07 | - |
dc.date.issued | 2019-12 | - |
dc.identifier.citation | ADVANCED OPTICAL MATERIALS, v.7, no.23, pp.1900932 | - |
dc.identifier.issn | 2195-1071 | - |
dc.identifier.uri | http://hdl.handle.net/10203/270018 | - |
dc.description.abstract | Solid-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.language | English | - |
dc.publisher | WILEY-V C H VERLAG GMBH | - |
dc.title | Quenching-Resistant Polymer Carbon Dot Preserving Emission Color Consistency in Solid-State | - |
dc.type | Article | - |
dc.identifier.wosid | 000486900400001 | - |
dc.type.rims | ART | - |
dc.citation.volume | 7 | - |
dc.citation.issue | 23 | - |
dc.citation.beginningpage | 1900932 | - |
dc.citation.publicationname | ADVANCED OPTICAL MATERIALS | - |
dc.identifier.doi | 10.1002/adom.201900932 | - |
dc.contributor.localauthor | Kim, Do Hyun | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | aggregation-caused quenching | - |
dc.subject.keywordAuthor | emission color consistency | - |
dc.subject.keywordAuthor | polymer carbon dots | - |
dc.subject.keywordAuthor | red-shift | - |
dc.subject.keywordAuthor | solid-state luminescence | - |
dc.subject.keywordPlus | GRAPHENE QUANTUM DOTS | - |
dc.subject.keywordPlus | LIGHT-EMITTING-DIODES | - |
dc.subject.keywordPlus | CITRIC-ACID | - |
dc.subject.keywordPlus | PHOTOLUMINESCENCE MECHANISM | - |
dc.subject.keywordPlus | FLUORESCENCE | - |
dc.subject.keywordPlus | NANODOTS | - |
dc.subject.keywordPlus | NITROGEN | - |
dc.subject.keywordPlus | ORIGIN | - |
dc.subject.keywordPlus | YIELD | - |
dc.subject.keywordPlus | CARBONIZATION | - |
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