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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >A pyridyl-decorated MOF-505 analogue exhibiting hierarchical porosity, selective CO2 capture and catalytic capacity
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A pyridyl-decorated MOF-505 analogue exhibiting hierarchical porosity, selective CO2 capture and catalytic capacity

机译:吡啶基修饰的MOF-505类似物表现出分层的孔隙率,选择性的CO2捕获和催化能力

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摘要

An expanded pyridyl-decorated MOF-505 analogue[Cu-2(L)(H2O)(2)]center dot G(x) (H4L = 5,5'-(pyridine-2,5-diyl)-diisophthalic acid, G = solvent molecule) has been solvothermally synthesized and reported. It exhibited rare hierarchical meso- and microporosity. With exposed unsaturated Cu-II sites and Lewis basic pyridyl sites, the material shows both large CO2-uptake capacity (123.4 cm(3) g(-1) at 273 K, 1 bar) and high selectivity for CO2 over N-2 (55.7) at 273 K. Furthermore, for the first time the compound has been exploited for its heterogeneous catalytic performance toward the cyanosilylation reaction under solvent-free conditions. The compound can be recycled up to five times with only a minor loss of activity.
机译:扩展的吡啶基修饰的MOF-505类似物[Cu-2(L)(H2O)(2)]中心点G(x)(H4L = 5,5'-(吡啶-2,5-二基)-二间苯二甲酸, G =溶剂分子)已经溶剂热合成并报道了。它表现出罕见的分级中孔和微孔。具有暴露的不饱和Cu-II位点和Lewis碱性吡啶基位点,该材料显示出大的CO2吸收容量(在273 K,1 bar下为123.4 cm(3)g(-1))和对N-2的CO2选择性高( 55.7)在273K。此外,该化合物首次在无溶剂条件下因其对氰基硅烷化反应的多相催化性能而得到开发。该化合物最多可循环使用五次,而活性损失很小。

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