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Ligand-Directed High Affinity for Iodine in Metal-Organic Frameworks

Title
Ligand-Directed High Affinity for Iodine in Metal-Organic Frameworks
Authors
Park, JinheeLee, ByeongchanKeum, Yesub
DGIST Authors
Park, Jinhee
Issue Date
2018-08-03
Citation
Internationl Conference on Coordination Chemistry (ICCC)
Type
Conference
Abstract
Nuclear energy has become one of the alternatives energy sources because of their high energy density and less emission of greenhouse gases. Among various radionuclides, a significantly large amount of 131I are released during the fission of uranium. Therefore, sorbents with the strong affinity and high capacity for iodine have attracted significant research attention. Because molecular iodine sublimates easily, the complex formation is highly desirable for their long term storage. A covalent bond, the most stable bond among chemical bonds has been rarely utilized in iodine capture. Herein, iodine sorption properties including kinetics of two isostructural metal-organic frameworks (MOFs) built up of 1,4-dihydroxybenzene and 1,3-dihydroxybenzene derivatives have been thoroughly studied. Also the single crystal x-ray diffraction analysis successfully determined the covalent bond formation and the location of iodine or triiodo molecules in the MOFs. The stable iodo-complex formation with the frameworks significantly improves the thermal stability revealed by thermal gravimetric analysis. This work gives insight into the design for the new generation of iodine sorbents.
URI
http://hdl.handle.net/20.500.11750/14833
Publisher
Internationl Conference on Coordination Chemistry (ICCC)
Related Researcher
  • Author Park, Jinhee Organic-Inorganic Hybrids Lab
  • Research Interests Organic-Inorganic Hybrid Materials; Metal-Organic Polyheda;Metal-Organic Frameworks; Porous Polymer Networks
Files:
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Collection:
Department of Physics and ChemistryOrganic-Inorganic Hybrids Lab2. Conference Papers


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