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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Highly selective C2H2 and CO2 capture and magnetic properties of a robust Co-chain based metal-organic framework
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Highly selective C2H2 and CO2 capture and magnetic properties of a robust Co-chain based metal-organic framework

机译:高选择性C2H2和CO2基于稳健的基于连锁金属有机框架的捕获和磁性

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摘要

A robust Co-based metal-organic framework, [Co-3(L)(OH)(2)(H2O)(4)]center dot 2DMF center dot 2H(2)O (1), was synthesized under solvothermal conditions using pyridyl-decorated tetracarboxylic acid, 2,6-di(2', 5'-dicarboxylphenyl) pyridine (H4L). Structural analysis demonstrates that 1 is a 3D framework based on 1D alternate Co-4 chain units. The desolvated structure of 1a contains 1D open channels with a highly polar pore surface decorated with open metal sites, mu(3)-OH group and pyridyl group sites, exhibiting multipoint interactions between C2H2 and CO2 molecules. The framework efficiently takes up C2H2 and CO2 with significant selectivity for C2H2 and CO2 over CH4. In addition, the magnetic properties of 1 were investigated and it showed a slow freezing process.
机译:稳健的Co-3(OH)(2)(2)(2)(2)(2)(4))中心点2DMF中心点2H(2)O(1),在溶剂热条件下合成 吡啶基装饰四羧酸,2,6-二(2',5'-二羧基)吡啶(H4L)。 结构分析表明,1是基于1D替代CO-4链单元的3D框架。 1A的脱溶的结构含有1D开放通道,其具有高极性孔表面,具有开放金属位点,MU(3)-OH基团和吡啶基位点,在C 2 H 2和CO 2之间具有多点相互作用。 该框架有效地占用C2H2和CO 2,具有显着的C2H2和CO 2上的选择性CH4。 另外,研究了1的磁性,并显示出缓慢冷冻过程。

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    Shaanxi Normal Univ Sch Chem &

    Chem Engn Minist Educ Key Lab Appl Surface &

    Colloid Chem Xian 710062 Shaanxi Peoples R China;

    Baoji Univ Arts &

    Sci Coll Chem &

    Chem Engn Baoji 721013 Peoples R China;

    Shaanxi Normal Univ Sch Chem &

    Chem Engn Minist Educ Key Lab Appl Surface &

    Colloid Chem Xian 710062 Shaanxi Peoples R China;

    Shaanxi Normal Univ Sch Chem &

    Chem Engn Minist Educ Key Lab Appl Surface &

    Colloid Chem Xian 710062 Shaanxi Peoples R China;

    Shaanxi Normal Univ Sch Chem &

    Chem Engn Minist Educ Key Lab Appl Surface &

    Colloid Chem Xian 710062 Shaanxi Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;无机化学;
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