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An N-rich metal-organic framework with an rht topology: high CO_2 and C_2 hydrocarbons uptake and selective capture from CH_4

机译:具有rht拓扑结构的富氮金属有机框架:大量吸收CO_2和C_2碳氢化合物并选择性地捕获CH_4

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摘要

We report the storage capacities and separation selectivity of an rht-type s-heptazine-based metal organic framework (MOF), [Cu_3(TDPAH)(H_2O)_3]·13H_2O·8DMA, 1, (where TDPAH is 2,5,8-tris-(3,5-dicarboxylphenylamino)-s-heptazine and DMA is N.N-dimethyl-acetamide) for C_2 hydrocarbons and CO_2 over CH_4. MOF 1 displays the highest C_2H_2/CH_4 selectivity of 80.9 as well as record high C_2H_4 and C_2H_6 adsorption enthalpies. Theoretical calculations reveal that s-heptazine and NH groups within the framework have synergistic effects on CO_2 binding.
机译:我们报告的储存能力和分离型基于rh s-庚烷的金属有机骨架(MOF),[Cu_3(TDPAH)(H_2O)_3]·13H_2O·8DMA,1,(其中TDPAH为2,5, CH 2上的C_2烃和CO_2的8-tris-(3,5-二羧基苯基氨基)-s-庚嗪和DMA为NN-二甲基-乙酰胺。 MOF 1显示出最高的8_2的C_2H_2 / CH_4选择性,并记录了高的C_2H_4和C_2H_6吸附焓。理论计算表明,该框架内的s-庚嗪和NH基团对CO_2的结合具有协同作用。

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  • 来源
    《Chemical Communications》 |2014年第39期|5031-5033|共3页
  • 作者单位

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    Institute of Atmospheric Environment Safety and Pollution Control, Jinan University, Jinan 510632, P. R. China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R China;

    Davenport Chemical Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, Canada;

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