Efficient modulation of a barium metal-organic framework using amino acids.

IF 1.3 3区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Acta crystallographica Section B, Structural science, crystal engineering and materials Pub Date : 2023-04-01 DOI:10.1107/S2052520623001105

Manije Safari, Sima Sedghiniya, Janet Soleimannejad, Jan Janczak

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Abstract

In recent years, significant advances have been made in the precise control of the physical properties of metal-organic frameworks (MOFs) via the linker-modulated method in which modulators compete with linkers and impose kinetic limitations through crystal growth. In this regard, the structure of a new barium-organic framework [Ba(H₂BTC)₂(H₂O)₄]_n, BaBTC (BTC = 1,3,5-benzene tricarboxylic acid) is introduced, which allows the competitive coordination strategy and growth orientation of an alkaline-earth metal-organic framework (AEMOF) to be probed without sacrificing phase purity, porosity and crystallinity. The modulator effect of an assortment of amino acids on the particle size and morphology of BaBTC is investigated. Additionally, another new MOF [Ba(BTC)₂(H₂O)₃]_n.nH₂O, BaBTC-2, is synthesized through a change in the ligand concentration. This work gives a successful example of a modulation method for AEMOF synthesis by amino acids that may contribute towards targeting future avenues of nanomaterial synthesis.

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利用氨基酸有效调制钡金属-有机骨架。

近年来，通过连接剂调制方法在金属有机骨架(mof)物理性质的精确控制方面取得了重大进展，其中调制器与连接剂竞争并通过晶体生长施加动力学限制。在此基础上，介绍了一种新型钡有机骨架[Ba(H2BTC)2(H2O)4]n, BaBTC (BTC = 1,3,5-苯三羧酸)的结构，该结构可以在不牺牲相纯度、孔隙度和结晶度的情况下，探索碱土金属有机骨架(AEMOF)的竞争配位策略和生长方向。研究了不同氨基酸对BaBTC颗粒大小和形貌的调节作用。另一种新型MOF [Ba(BTC)2(H2O)3]n。nH2O, BaBTC-2，是通过改变配体浓度合成的。这项工作为氨基酸合成AEMOF的调制方法提供了一个成功的例子，这可能有助于靶向纳米材料合成的未来途径。

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来源期刊

Acta crystallographica Section B, Structural science, crystal engineering and materials CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

3.60

自引率

5.30%

发文量

期刊介绍： Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials publishes scientific articles related to the structural science of compounds and materials in the widest sense. Knowledge of the arrangements of atoms, including their temporal variations and dependencies on temperature and pressure, is often the key to understanding physical and chemical phenomena and is crucial for the design of new materials and supramolecular devices. Acta Crystallographica B is the forum for the publication of such contributions. Scientific developments based on experimental studies as well as those based on theoretical approaches, including crystal-structure prediction, structure-property relations and the use of databases of crystal structures, are published.