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

IF 2.5 Q2 CHEMISTRY, MULTIDISCIPLINARY Results in Chemistry Pub 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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