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김남훈

Kim, Namhun
UNIST Computer-Integrated Manufacturing Lab.
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dc.citation.startPage 2400594 -
dc.citation.title ADVANCED FUNCTIONAL MATERIALS -
dc.contributor.author Jeon, Hongryung -
dc.contributor.author Wajahat, Muhammad -
dc.contributor.author Park, Seobin -
dc.contributor.author Pyo, Jaeyeon -
dc.contributor.author Seol, Seung Kwon -
dc.contributor.author Kim, Namhun -
dc.contributor.author Jeon, Il -
dc.contributor.author Jung, Im Doo -
dc.date.accessioned 2024-05-03T10:35:31Z -
dc.date.available 2024-05-03T10:35:31Z -
dc.date.created 2024-03-25 -
dc.date.issued 2024-03 -
dc.description.abstract Organic-inorganic perovskite quantum dot (PQD)-polymer composites are emerging optoelectronic materials with exceptional properties that are promising widespread application in next-generation electronics. Advances in the utilization of these materials depend on the development of suitable fabrication techniques to create 3D architectures composed of PQD-polymer for sophisticated optoelectronics. This study introduces a straightforward and effective method for producing 3D architectures of PQD-encapsulated high-performance composites (PQD-HPCs) through direct-ink writing (DIW). This method employs an ink composed of prefabricated PQDs and hydroxypropyl cellulose (HPC) in dichloromethane (DCM). HPC, an appropriate organic-soluble polymer, exhibits optical transparency in the highly volatile DCM and enables the formulation of a stable, room-temperature extrudable ink. The architectures, which are printed by adjusting the halide ratios (Cl, Br, and I) for the compositions of CH3NH3PbBr1.5I1.5, CH3NH3PbBr3, and CH3NH3PbBr1.5Cl1.5, exhibit single peak photoluminescence emissions of red (639 nm), green (515 nm), and blue (467 nm). Optimizing the printing parameters of DIW enables the precise fabrication of programmed and complex PQD-HPC 3D architectures for advanced anti-counterfeiting and information encryption. This method has the potential to enhance the functionality of modern printed electronic devices significantly. 3D luminescent architectures of high-performance PQD-HPC are fabricated through direct ink writing (DIW). By adjusting halide ratios, the printed architectures emit single peak photoluminescence in red, green, and blue. Optimized DIW parameters enable precise fabrication of complex PQD-HPC structures for advanced applications, such as anti-counterfeiting and information encryption, promising enhanced functionality in modern printed electronics. image -
dc.identifier.bibliographicCitation ADVANCED FUNCTIONAL MATERIALS, pp.2400594 -
dc.identifier.doi 10.1002/adfm.202400594 -
dc.identifier.issn 1616-301X -
dc.identifier.scopusid 2-s2.0-85187117830 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/82303 -
dc.identifier.wosid 001181554200001 -
dc.language 영어 -
dc.publisher WILEY-V C H VERLAG GMBH -
dc.title 3D Printing of Luminescent Perovskite Quantum Dot-Polymer Architectures -
dc.type Article -
dc.description.isOpenAccess TRUE -
dc.relation.journalWebOfScienceCategory Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter -
dc.relation.journalResearchArea Chemistry; Science & Technology - Other Topics; Materials Science; Physics -
dc.type.docType Article; Early Access -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor 3D printing -
dc.subject.keywordAuthor direct ink writing -
dc.subject.keywordAuthor information encryption -
dc.subject.keywordAuthor luminescent architecture -
dc.subject.keywordAuthor perovskite quantum dot-polymer -
dc.subject.keywordPlus LIGHT-EMITTING-DIODES -
dc.subject.keywordPlus LASER -

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