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  • 09월 03일 23시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능
대회명 대한화학회 제122회 학술발표회 및 총회
등록일 2018년 8월 29일 22시 21분 38초
접수번호 1984
발표코드 KCS2-3 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간 수 16시 : 40분
발표형식 심포지엄
발표분야 KCS - [KCS-Chemical Industry Joint Symposium] Frontiers in Organometallic Catalysis
저자 및 공동저자 Kyung min Choi
Division of Chemical and Biomolecular Engineering, Sookmyung Women's University, Korea
제목 Hybridization of Metal-Organic Frameworks and Nanomaterials for Gas Storage and Catalytic Conversion
내용 Metal-organic frameworks (MOFs) are typically synthesized into pure and bulk-sized crystals, and thus their usability is limited by the lack of compatibility with advanced technologies. Strategies to intermingle reticular chemistry and nanotechnology will lead to new forms of functional materials and applications. This talk will show how MOFs and nanomaterials can be combined into special constructs and successfully work together for heterogeneous and photo- catalysis, and gas separation. In the heterogeneous catalysis, we show how Pt nanocrystals can be fully embedded within single crystals of nMOFs with full control over the size and location of the Pt and MOF nanocrystals. We find that this new (Pt⊂nMOF)nanocrystal construct is capable of carrying out the gas-phase conversion of methylcyclopentane (MCP) to acyclic isomer, olefins, cyclohexane, and benzene. These conversions occur at 100 °C lower and with higher selectivity to C6-cyclic products compared to the reference catalyst, and also show that physical and chemical environments of nMOFs control the selectivity and activity to those products. In the photocatalysis, the photocatalytic MOF is prepared by incorporating photoactive molecules and combined with Ag nanoparticles having plasmonic enhancement to make high efficiency and stable CO2 conversion reaction under visible light. In gas storage, we show that the synthetic methods which combine the optimization for crystal formation with the introduction of heterogeneous structures within a MOF enhance the gas storage properties. In the last part of this talk, we will show our concept and approaches of ppm-level gas storage and catalytic conversion in air for solving many issues about volatile organic compounds.
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