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首页> 外文期刊>New Journal of Chemistry >Synthesis of copper-isonicotinate metal-organic frameworks simply by mixing solid reactants and investigation of their adsorptive properties for the removal of the fluorescein dye
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Synthesis of copper-isonicotinate metal-organic frameworks simply by mixing solid reactants and investigation of their adsorptive properties for the removal of the fluorescein dye

机译：简单地通过混合固体反应物并研究其吸附性能以去除荧光染料的方法合成铜-异烟酸铜金属-有机骨架

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摘要

The formation of [Cu(INA)2] (INA = isonicotinate) metal-organic frameworks (MOFs) by a highly efficient and environmentally benign method simply by mixing and heating solid reactants without milling has been investigated. The materials were characterized using elemental analysis, FT-IR spectroscopy and powder X-ray diffraction (PXRD) and scanning electron microscopy (SEM). Comparison of PXRD patterns of the materials with patterns simulated from single crystal X-ray diffraction data allowed identification of the products. The adsorption properties of [Cu(INA)2] were studied using the fluorescein dye (FS). The adsorption data followed both Langmuir and Freundlich equations but was best suited to the Langmuir model. The adsorption data were also correlated with the Temkin and Dubinin-Radushkevich adsorption model and the results showed that the adsorption process is physical. These results indicate that the adsorption of FS on [Cu(INA)2] is partly due to electrostatic interaction between fluorescein and the adsorbent. Compared with the traditional synthetic techniques, this method for the synthesis of MOFs was found to be highly efficient, environmentally benign and useful for the large-scale production.
机译：已经研究了通过高效且对环境无害的方法简单地通过混合和加热固体反应物而无需研磨来形成[Cu（INA）2]（INA =异烟酸酯）金属有机骨架（MOF）。使用元素分析，FT-IR光谱，粉末X射线衍射（PXRD）和扫描电子显微镜（SEM）对材料进行表征。通过将材料的PXRD图案与从单晶X射线衍射数据模拟的图案进行比较，可以鉴定出产品。使用荧光染料（FS）研究了[Cu（INA）2]的吸附性能。吸附数据遵循Langmuir和Freundlich方程，但最适合Langmuir模型。吸附数据也与Temkin和Dubinin-Radushkevich吸附模型相关，结果表明吸附过程是物理的。这些结果表明FS在[Cu（INA）2]上的吸附部分是由于荧光素与吸附剂之间的静电相互作用。与传统的合成技术相比，这种合成MOFs的方法效率高，对环境无害，可用于大规模生产。

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