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dc.contributor.authorJeon, Sanghyun-
dc.contributor.authorAhn, Junhyuk-
dc.contributor.authorJung, Myung-Chul-
dc.contributor.authorWoo, Ho Kun-
dc.contributor.authorBang, Junsung-
dc.contributor.authorJung, Byung Ku-
dc.contributor.authorOh, Seongkeun-
dc.contributor.authorLee, Sang Yeop-
dc.contributor.authorLee, Kyu Joon-
dc.contributor.authorPaik, Taejong-
dc.contributor.authorHa, Don-Hyung-
dc.contributor.authorAhn, Jae-Pyoung-
dc.contributor.authorJeong, Sohee-
dc.contributor.authorKim, Dong Hoe-
dc.contributor.authorNoh, Jun Hong-
dc.contributor.authorJang, Ho Seong-
dc.contributor.authorHan, Myung Joon-
dc.contributor.authorOh, Soong Ju-
dc.date.accessioned2024-01-19T08:02:10Z-
dc.date.available2024-01-19T08:02:10Z-
dc.date.created2024-01-11-
dc.date.issued2024-06-
dc.identifier.issn1613-6810-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/113005-
dc.description.abstractPerovskite nanocrystals (NCs) have emerged as a promising building block for the fabrication of optic-/optoelectronic-/electronic devices owing to their superior characteristics, such as high absorption coefficient, rapid ion mobilities, and tunable energy levels. However, their low structural stability and poor surface passivation have restricted their application to next-generation devices. Herein, a drug delivery system (DDS)-inspired post-treatment strategy is reported for improving their structural stability by doping of Ag into CsPbBr3 (CPB) perovskite NCs; delivery to damaged sites can promote their structural recovery slowly and uniformly, averting the permanent loss of their intrinsic characteristics. Ag NCs are designed through surface-chemistry tuning and structural engineering to enable their circulation in CPB NC dispersions, followed by their delivery to the CPB NC surface, defect-site recovery, and defect prevention. The perovskite-structure healing process through the DDS-type process (with Ag NCs as the drug) is analyzed by a combination of theoretical calculations (with density functional theory) and experimental analyses. The proposed DDS-inspired healing strategy significantly enhances the optical properties and stability of perovskite NCs, enabling the fabrication of white light-emitting diodes. This paper reports a drug delivery system (DDS)-inspired strategy for healing structural defects in all-inorganic lead halide perovskite nanocrystals (NCs) using Ag NCs with modified surface chemistry. The proposed strategy improves the optical properties and stability of perovskite NCs by defect-healing, enabling the construction of high-performance white light-emitting diodes.image-
dc.languageEnglish-
dc.publisherWiley - V C H Verlag GmbbH & Co.-
dc.titleDefect Engineering of Metal Halide Perovskite Nanocrystals via Spontaneous Diffusion of Ag Nanocrystals-
dc.typeArticle-
dc.identifier.doi10.1002/smll.202307032-
dc.description.journalClass1-
dc.identifier.bibliographicCitationSmall, v.20, no.23-
dc.citation.titleSmall-
dc.citation.volume20-
dc.citation.number23-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.scopusid2-s2.0-85180502660-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalWebOfScienceCategoryPhysics, Condensed Matter-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaPhysics-
dc.type.docTypeArticle; Early Access-
dc.subject.keywordPlusSILVER NANOPARTICLES-
dc.subject.keywordPlusANION-EXCHANGE-
dc.subject.keywordPlusCSPBX3 X-
dc.subject.keywordPlusBR-
dc.subject.keywordPlusSEMICONDUCTORS-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusDEVICES-
dc.subject.keywordPlusFILMS-
dc.subject.keywordPlusCL-
dc.subject.keywordAuthorall inorganic perovskite-
dc.subject.keywordAuthorcesium lead halide perovskite nanocrystal-
dc.subject.keywordAuthordrug-delivery system-
dc.subject.keywordAuthorperovskite healing-
dc.subject.keywordAuthorsilver nanocrystal-
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