A novel strategy of water-based synthesis method of zeolitic-imidazolate framework-14 (ZIF-14)

IF 4.2 Q2 CHEMISTRY, MULTIDISCIPLINARY Results in Chemistry Pub Date : 2025-03-01 Epub Date: 2025-02-07 DOI:10.1016/j.rechem.2025.102097

Kiki Maesaroh , Ghefira Iftina Zahra , Apang Djafar Shieddieque , Muhamad Diki Permana , Irkham , Rudiawan Edwin , Joddy Arya Laksmono , Diana Rakhmawaty Eddy , Iman Rahayu

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Abstract

This study report outlines a water-based rapid method for synthesizing zeolitic-imidazolate framework-14 (ZIF-14) at room temperature. ZIF-14 crystals were prepared by the reaction of 2-eim, zinc nitrate, and cetyltrimethylammonium bromide (CTAB) in deionized water. The physicochemical analysis showed that ZIF-14 synthesized by this method has a coordination bond between Zn and N from FTIR analysis, which was also confirmed by XPS analysis. XRD analysis showed that the structure of ZIF-14 is a pure phase with analcime (ANA) topology. In addition, SEM and TEM images show that ZIF-14 has a cubic shape. In addition, thermal and surface analysis showed that ZIF-14 has a specific surface area of 429.518 m²/g, an average pore volume of 0.5676 cm³/g, and an average pore radius of 26.43 Å, with a thermal stability of up to 440 °C. Therefore, ZIF-14 synthesized by this method has a potential application as a catalyst and gas separation.

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沸石咪唑酸骨架-14 （ZIF-14）水基合成新策略

本研究报告概述了一种在室温下水基快速合成沸石咪唑酸骨架-14 （ZIF-14）的方法。用2-eim、硝酸锌和十六烷基三甲基溴化铵（CTAB）在去离子水中反应制备了ZIF-14晶体。理化分析表明，用该方法合成的ZIF-14在FTIR分析中具有Zn和N之间的配位键，XPS分析也证实了这一点。XRD分析表明，ZIF-14为纯相结构，具有analime （ANA）拓扑结构。此外，SEM和TEM图像表明，ZIF-14具有立方形状。此外，热分析和表面分析表明，ZIF-14的比表面积为429.518 m2/g，平均孔体积为0.5676 cm3/g，平均孔半径为26.43 Å，热稳定性高达440℃。因此，用该方法合成的ZIF-14作为催化剂和气体分离具有潜在的应用前景。

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