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Zn(Ⅱ) Salen and Mn(Ⅲ) porphyrin Based Porous Coordination Polymers : Preparations and Applications 원문보기

  • 저자

    이영선

  • 학위수여기관

    고려대학교 대학원

  • 학위구분

    국내석사

  • 학과

    화학과

  • 지도교수

    이석중

  • 발행년도

    2014

  • 총페이지

    viii, 85 p.

  • 키워드

    porphyrin coordination polymer;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T13541989&outLink=K  

  • 초록

    The development of functional porous coordination polymers (PCPs) is one of the most popular research fields in modern inorganic materials chemistry. Functional PCPs can be utilized for a wide range of applications, including heterogeneous catalysis, CO2 capture, H2 storage and intracellular delivery of small molecules or drugs. In particular, the chiral metallosalens have been widely used in asymmetric catalysis for the high level of enantioselective transformations such as asymmetric addition reactions to carbonyl compounds, and enantioselective sensing has been reported with chiral salen based coordination polymers in the forms of MOFs. With this spirit, we would like to describe the preparation and properties of nano- and micro-sized cubic coordination polymers synthesized using precipitation method. Ligand to metal coordinative interaction has been rarely demonstrated for the applications which require relatively high stability such as catalysis. Therefore, much attention has been paid to the assembly of nano- and micro-size coordination polymers (nCPs and mCPs) taking advantage of high stability provided by strong metal to ligand coordination. So, we would like to describe herein the preparations and properties of systematically size-modulated micro-size porous coordination polymers (mPCPs) from Mn(Ⅲ)-porphyrin bis-carboxylic acid and In(NO3)3 by the addition of water into a relatively low boiling point solvent, n-propanol, and their catalytic behaviors in olefin oxidations. The main strategy to develop new efficient functional PCPs mainly relies on the design of a new polytopic N-donor or carboxylate bridging ligands together with a suitable choice of metal ions. Furthermore, the large molecular size of porphyrin units is adequate for the preparation of robust frameworks with high surface area. Recently, an increasing number of reports have been presented about porphyrin-based PCPs. In order to expand the porphyrin-based PCP chemistry, we focused on N-donor based porphyrin molecules. We attempted to prepare PCPs using a potential 1 and divalent transition metal ions including Co(Ⅱ) and Zn(Ⅱ).


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