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Chemistry of Coordination Space for New Porous Materials

2005년 3월 8일 09시 53분 07초
금4B5심 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
금 11시 : 10분
무기화학 - 무기Ⅰ: 무기 및 재료화학에서의 나노과학
저자 및
Susumu Kitagawa
Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Japan,

Recently, coordination polymers has made remarkable progress in the area of porous compounds, paving the way to functional chemistry towards application such as separation, storage, sensor and catalysis. The advantages are 1)high surface area and porosity, 2)regular and 3)flexible frameworks and 4)their designability. The achievement to date familiarize us with three generation categories, what we call “first, second and third generation” porous coordination polymers (Figure). Especially, the ability to incorporate flexible functional group directly into the framework of these structures greatly facilitates tuning selectivity of guest adsorption. Herein, I would like to demonstrate well-functionalized pore surface and dynamic properties of porous coordination polymers accompanied with specific guest adsorption, which are listed below. 1) Flexible frameworks of porous coordination polymers which show selective guest adsorption based on the switching of hydrogen-bond pairs of amide groups. 2) Porous coordination polymer crystals with gated-channels specific for guest molecules. 3) Immobilization of open metal sites into porous Coordination polymer. 4) Guest shape-responsive fitting of porous coordination polymer (induced-fit type pore). 5) Direct observation of H2,O2, C2H2, and other small molecules adsorbed in a microporous coordination Polymers.