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室温下在离子液体微乳液中合成锌基金属有机框架材料。

Synthesis of Zn-based metal-organic frameworks in ionic liquid microemulsions at room temperature.

作者信息

Ye Ranfeng, Ni Min, Xu Yuanyuan, Chen Hao, Li Shengqing

机构信息

College of Science, Huazhong Agricultural University Wuhan Hubei 430070 People's Republic of China

出版信息

RSC Adv. 2018 Jul 23;8(46):26237-26242. doi: 10.1039/c8ra04573a. eCollection 2018 Jul 19.

DOI:10.1039/c8ra04573a
PMID:35541955
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9082767/
Abstract

For the first time, Zn-metal-organic frameworks (Zn-MOFs) were prepared using Zn and the aromatic ligand 1,3,5-benzenetricarboxylic acid (BTC) in ionic liquid microemulsions stabilized by the surfactant TX-100. This proposed environmentally friendly approach to synthesize Zn-MOFs is simple, requires no energy input, and operates at room temperature. The synthesized Zn-MOFs were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), single crystal X-ray diffraction and powder X-ray diffraction (XRD), thermal gravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FT-IR). The results showed that two different Zn-MOF crystals had been successfully synthesized and that [NaZn(CHO)(HO)]·1.5HO was prepared by using this method for the first time. The influence of different parameters such as the pH value, the ratio of reactants, and reaction time on the morphology and size of the Zn-MOFs was studied. Long rod Zn-MOFs with an average size of ∼25 μm could be obtained in the ionic liquid microemulsions with a molar ratio (organic ligand to metal ion) of 1 : 1 at pH 5.98 for 24 h. The crystal type and morphology of the Zn-MOFs could be controlled by the ionic liquid microemulsions at room temperature. This green synthesis method can be used to study their industrial production.

摘要

首次在由表面活性剂TX - 100稳定的离子液体微乳液中，使用锌和芳香配体1,3,5 - 苯三甲酸（BTC）制备了锌基金属有机框架（Zn - MOFs）。这种提出的合成Zn - MOFs的环境友好方法简单，无需能量输入，且在室温下操作。通过扫描电子显微镜（SEM）、透射电子显微镜（TEM）、单晶X射线衍射和粉末X射线衍射（XRD）、热重分析（TGA）以及傅里叶变换红外光谱（FT - IR）对合成的Zn - MOFs进行了表征。结果表明，成功合成了两种不同的Zn - MOF晶体，并且首次使用该方法制备了[NaZn(CHO)(HO)]·1.5HO。研究了不同参数如pH值、反应物比例和反应时间对Zn - MOFs形态和尺寸的影响。在pH为5.98、有机配体与金属离子摩尔比为1∶1的离子液体微乳液中反应24小时，可获得平均尺寸约为25μm的长棒状Zn - MOFs。在室温下，离子液体微乳液可以控制Zn - MOFs的晶体类型和形态。这种绿色合成方法可用于研究其工业化生产。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/47c475a6a1b4/c8ra04573a-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/42263253e098/c8ra04573a-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/47f81c5e1b34/c8ra04573a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/86f9f5ea5ed1/c8ra04573a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/10c7c6e81c0b/c8ra04573a-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/e31f41047deb/c8ra04573a-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/4bbcbd6966ce/c8ra04573a-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/47c475a6a1b4/c8ra04573a-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/42263253e098/c8ra04573a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/8f0011190c92/c8ra04573a-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/98b1a2da4e34/c8ra04573a-f2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/47f81c5e1b34/c8ra04573a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/86f9f5ea5ed1/c8ra04573a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/10c7c6e81c0b/c8ra04573a-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/e31f41047deb/c8ra04573a-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/4bbcbd6966ce/c8ra04573a-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b55b/9082767/47c475a6a1b4/c8ra04573a-f9.jpg

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