马朗戈尼效应
沸石咪唑盐骨架
化学
转化(遗传学)
金属有机骨架
过程(计算)
纳米笼
纳米技术
咪唑酯
化学工程
热力学
材料科学
物理化学
对流
无机化学
有机化学
吸附
催化作用
计算机科学
生物化学
工程类
物理
操作系统
基因
作者
Wuxin Bai,Jiaqi Chen,Xin Wang,Junwu Zhu,Yongsheng Fu
摘要
Investigating the process of crystalline transformation in metal–organic frameworks (MOFs) has significant implications in advancing our understanding of the growth mechanisms and design of innovative materials. This study achieves a theoretically impossible transformation direction from three-dimensional (3D) zeolitic imidazolate nanocubes (ZIF) to two-dimensional (2D) ZIF nanoframes through the Marangoni effect in droplets. This transformation challenges the established belief that only a transition from 2D ZIF-L to 3D ZIF-67 is possible, which neglects the reverse process. Finite element analysis indicates that the conversion from 3D ZIF to 2D ZIF is feasible when uniform mass distribution and heat transport are guaranteed under Marangoni flow. This research not only demonstrates an alternative pathway for MOF crystalline transformation but also provides a fresh perspective on the construction of MOF nanoframes.
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