Layer-by-Layer Integration of Zirconium Metal–Organic Frameworks onto Activated Carbon Spheres and Fabrics with Model Nerve Agent Detoxification Properties,ACS Applied Materials & Interfaces

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Layer-by-Layer Integration of Zirconium Metal–Organic Frameworks onto Activated Carbon Spheres and Fabrics with Model Nerve Agent Detoxification Properties
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2021-10-13 , DOI: 10.1021/acsami.1c12095
Rodrigo Gil-San-Millan ₁ , Pedro Delgado ₁ , Elena Lopez-Maya ₁ , Javier D Martin-Romera ₁ , Elisa Barea ₁ , Jorge A R Navarro ₁

Affiliation

We report the controlled synthesis of thin films of prototypical zirconium metal–organic frameworks [Zr₆O₄(OH)₄(benzene-1,4-dicarboxylate-2-X)₆] (X = H, UiO-66 and X = NH₂, UiO-66-NH₂) over the external surface of shaped carbonized substrates (spheres and textile fabrics) using a layer-by-layer method. The resulting composite materials contain metal–organic framework (MOF) crystals homogeneously distributed over the external surface of the porous shaped bodies, which are able to capture an organophosphate nerve agent simulant (diisopropylfluorophosphate, DIFP) in competition with moisture (very fast) and hydrolyze the P–F bond (slow). This behavior confers the composite material self-cleaning properties, which are useful for blocking secondary emission problems of classical protective equipment based on activated carbon.

中文翻译：

具有模型神经毒剂解毒特性的锆金属-有机框架在活性炭球和织物上的逐层集成

我们报告了原型锆金属-有机骨架薄膜的可控合成 [Zr ₆ O ₄ (OH) ₄ (benzo-1,4-dicarboxylate-2-X) ₆ ] (X = H, UiO-66 和 X = NH ₂ , UiO-66-NH ₂) 使用逐层方法在成型的碳化基材（球体和纺织织物）的外表面上进行。所得复合材料含有均匀分布在多孔成型体外表面上的金属有机骨架 (MOF) 晶体，能够捕获与水分竞争的有机磷酸盐神经毒剂模拟物（二异丙基氟磷酸盐，DIFP）（非常快）并水解P-F 键（慢）。这种行为赋予复合材料自清洁特性，这有助于阻止基于活性炭的经典防护设备的二次排放问题。

更新日期：2021-10-27

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