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首页> 外文期刊>Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics >Carbon Dioxide Capture by a Metal-Organic Framework with Nitrogen-Rich Channels Based on Rationally Designed Triazole-Functionalized Tetraacid Organic Linker
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Carbon Dioxide Capture by a Metal-Organic Framework with Nitrogen-Rich Channels Based on Rationally Designed Triazole-Functionalized Tetraacid Organic Linker

机译：通过合理设计的三唑功能化四酸有机连接基，通过具有富氮通道的金属有机框架捕获二氧化碳

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摘要

A semirigid tetraacid linker H4L functionalized with 1,2,3-triazole was rationally designed and synthesized to access nitrogen-rich MOFs for selective adsorption of CO2. The cadmium MOF, that is, Cd-L, obtained by the reaction of H4L with Cd(NO3)(2), is found to be a 3D porous framework structure that is robust to desolvation. Crystal structure analysis reveals channels that are decorated by the triazole moieties of L. Gas adsorption studies show that Cd-L MOF permits remarkable CO2 uptake to the extent of 99 and 1000 cc/g at 1 and 30 bar, respectively, at 0 degrees C. While literature survey reveals that MIL-112, constructed from a 1,2,3-triazole functionalized linker, exhibits no porosity to gas adsorption due to structural flexibility, the results with Cd-L MOF described herein emphasize how rigidification of the organic linker improves gas uptake properties of the resultant MOF.
机译：合理设计和合成了用1,2,3-三唑官能化的半刚性四酸连接基H4L，以获取富含氮的MOF，以选择性吸附CO2。通过H4L与Cd（NO3）（2）的反应获得的镉MOF（即Cd-L）被发现是一种3D多孔骨架结构，对去溶剂化作用很强。晶体结构分析揭示了由L的三唑部分修饰的通道。气体吸附研究表明，Cd-L MOF允许显着的CO2吸收，分别在0和1 bar下分别在99 bar和1000 cc / g和30 bar下尽管文献调查显示，由1,2,3-三唑官能化的连接基构成的MIL-112由于结构上的柔韧性而对气体的吸附没有孔隙，但本文所述的Cd-L MOF的结果强调了有机连接基的刚性改善了所得MOF的气体吸收性能。

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