Direct Synthesis of Two-Dimensional Metal–Organic Framework Nanoplates for Noble Metal Load and Gaseous Iodine Adsorption,Crystal Growth & Design

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Direct Synthesis of Two-Dimensional Metal–Organic Framework Nanoplates for Noble Metal Load and Gaseous Iodine Adsorption
Crystal Growth & Design ( IF 3.2 ) Pub Date : 2020-02-11 , DOI: 10.1021/acs.cgd.9b01545
Xin Chen ₁ , Xue Jiang ₁ , Xingfeng Lei ₁ , Baoliang Zhang _{1,

2} , Mingtao Qiao ₃ , Changjie Yin ₁ , Qiuyu Zhang _{1,

2}

Affiliation

A new strategy has been developed to directly synthesize two-dimensional metal–organic framework nanoplates in an aqueous system without any additives. Time-dependent experiments demonstrate that formation mechanisms mainly include limited diffusion of reactants in transient phase and capping-agent-like effect of HOOC–CH═CH–COO^–. The obtained 2D MIL-53(Al)-FA exhibited intrinsic surface functional groups (−COOH) and accessible pores. Ag nanoparticles loaded on 2D product via electrostatic interactions between −COOH and positive Ag⁺ could accelerate catalytic decolorization of methyl orange in the presence of NaBH₄. Furthermore, the product could be a good candidate for adsorption of gaseous iodine due to accessibility of the pores.

中文翻译：

二维金属-有机骨架纳米板的直接合成用于贵金属负载和气态碘吸附

已经开发出一种新策略，可以在不添加任何添加剂的情况下直接在水性体系中合成二维金属-有机骨架纳米板。时间依赖性的实验结果表明，形成机制主要包括在过渡阶段反应物的有限扩散和封端剂状HOOC-CH = CH-COO的效果^-。获得的2D MIL-53（Al）-FA表现出固有的表面官能团（-COOH）和可进入的孔。通过在-COOH和正极Ag ⁺之间的静电相互作用将纳米颗粒负载在2D产物上，在NaBH ₄存在下，可以加速甲基橙的催化脱色。此外，由于孔的可及性，该产物可能是吸附气态碘的良好候选物。

更新日期：2020-02-11

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