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곽상규

Kwak, Sang Kyu
Kyu’s MolSim Lab @ UNIST
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dc.citation.endPage 16893 -
dc.citation.number 42 -
dc.citation.startPage 16884 -
dc.citation.title JOURNAL OF THE AMERICAN CHEMICAL SOCIETY -
dc.citation.volume 141 -
dc.contributor.author Jiang, Yi -
dc.contributor.author Oh, Inseon -
dc.contributor.author Joo, Se Hun -
dc.contributor.author Buyukcakir, Onur -
dc.contributor.author Chen, Xiong -
dc.contributor.author Lee, Sun Hwa -
dc.contributor.author Huang, Ming -
dc.contributor.author Seong, Won Kyung -
dc.contributor.author Kwak, Sang Kyu -
dc.contributor.author Yoo, Jung-Woo -
dc.contributor.author Ruoff, Rodney S. -
dc.date.accessioned 2023-12-21T18:39:00Z -
dc.date.available 2023-12-21T18:39:00Z -
dc.date.created 2019-10-15 -
dc.date.issued 2019-10 -
dc.description.abstract We report the synthesis and characterization of a two-dimensional (2D) conjugated Ni(II) tetraaza[14]annulene-linked metal organic framework (NiTAA-MOF) where NiTAA is a macrocyclic MN4 (M = metal, N = nitrogen) compound. The structure of NiTAA-MOF was elucidated by Fourier-transform infrared, X-ray photoemission, and X-ray diffraction spectroscopies, in combination with density functional theory (DFT) calculations. When chemically oxidized by iodine, the insulating bulk NiTAA-MOF (σ < 10–10 S/cm) exhibits an electrical conductivity of 0.01 S/cm at 300 K, demonstrating the vital role of ligand oxidation in the electrical conductivity of 2D MOFs. Magnetization measurements show that iodine-doped NiTAA-MOF is paramagnetic with weak antiferromagnetic coupling due to the presence of organic radicals of oxidized ligands and high-spin Ni(II) sites of the missing-linker defects. In addition to providing further insights into the origin of the induced electrical conductivity in 2D MOFs, both pristine and iodine-doped NiTAA-MOF synthesized in this work could find potential applications in areas such as catalase mimics, catalysis, energy storage, and dynamic nuclear polarization-nuclear magnetic resonance (DNP-NMR). -
dc.identifier.bibliographicCitation JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.141, no.42, pp.16884 - 16893 -
dc.identifier.doi 10.1021/jacs.9b08601 -
dc.identifier.issn 0002-7863 -
dc.identifier.scopusid 2-s2.0-85073764958 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/27831 -
dc.identifier.url https://pubs.acs.org/doi/10.1021/jacs.9b08601 -
dc.identifier.wosid 000492800500043 -
dc.language 영어 -
dc.publisher American Chemical Society -
dc.title Partial Oxidation-Induced Electrical Conductivity and Paramagnetism in a Ni(II) Tetraaza[14]annulene-Linked Metal Organic Framework -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Chemistry, Multidisciplinary -
dc.relation.journalResearchArea Chemistry -
dc.type.docType Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordPlus FE-III -
dc.subject.keywordPlus NI-II -
dc.subject.keywordPlus COMPLEXES -
dc.subject.keywordPlus CHEMISTRY -
dc.subject.keywordPlus CRYSTAL -
dc.subject.keywordPlus INDOLENINE -
dc.subject.keywordPlus TRANSITION -
dc.subject.keywordPlus PD -

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