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Cited 12 time in webofscience Cited 12 time in scopus
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dc.contributor.authorKim, Dong Wook-
dc.contributor.authorHyun, Chohee-
dc.contributor.authorShin, Tae Joo-
dc.contributor.authorJeong, Unyong-
dc.date.accessioned2023-07-11T04:41:38Z-
dc.date.available2023-07-11T04:41:38Z-
dc.date.created2022-08-16-
dc.date.issued2022-02-
dc.identifier.issn1936-0851-
dc.identifier.urihttps://oasis.postech.ac.kr/handle/2014.oak/117957-
dc.description.abstract© 2022 American Chemical SocietyMetal halide perovskite nanocrystals (PeNCs) with a controlled quantum size effect have received intense interest for potential applications in optoelectronics and photonics. Here, we present a simple and innovative strategy to precisely tune the photoluminescence color of PeNCs by simply printing perovskite precursor solutions on cellulose papers. Depending on the volume of the printed precursor solutions, the PeNCs are autonomously grown into three discrete sizes, and their relative size population is controlled; accordingly, not only the number of multiple PL peaks but also their relative intensities can be precisely tuned. This autonomous size control is obtained through the efflorescence, which is advection of salt ions toward the surface of a porous medium during solvent evaporation and also through the confined crystal growth in the hierarchical structure of cellulose fibers. The infiltrated PeNCs are environmentally stable against moisture (for 3 months in air at 70% relative humidity) and strong light exposure by hydrophobic surface treatment. This study also demonstrates invisible encryption and highly secured unclonable anticounterfeiting patterns on deformable cellulose substrates and banknotes.-
dc.languageEnglish-
dc.publisherAmerican Chemical Society-
dc.relation.isPartOfACS Nano-
dc.titlePrecise Tuning of Multiple Perovskite Photoluminescence by Volume-Controlled Printing of Perovskite Precursor Solution on Cellulose Paper-
dc.typeArticle-
dc.identifier.doi10.1021/acsnano.1c09140-
dc.type.rimsART-
dc.identifier.bibliographicCitationACS Nano, v.16, no.2, pp.2521 - 2534-
dc.identifier.wosid000745949500001-
dc.citation.endPage2534-
dc.citation.number2-
dc.citation.startPage2521-
dc.citation.titleACS Nano-
dc.citation.volume16-
dc.contributor.affiliatedAuthorJeong, Unyong-
dc.identifier.scopusid2-s2.0-85123935770-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.type.docTypeArticle-
dc.subject.keywordPlusLIGHT-EMITTING-DIODES-
dc.subject.keywordPlusCESIUM LEAD HALIDE-
dc.subject.keywordPlusQUANTUM CONFINEMENT-
dc.subject.keywordPlusHIGH-PERFORMANCE-
dc.subject.keywordPlusNANOCRYSTALS-
dc.subject.keywordPlusDOTS-
dc.subject.keywordAuthorcellulose-
dc.subject.keywordAuthordeformable-
dc.subject.keywordAuthorperovskite nanocrystal-
dc.subject.keywordAuthorphotoluminescence-
dc.subject.keywordAuthorprinting-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-

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정운룡JEONG, UNYONG
Dept of Materials Science & Enginrg
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