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了解溶剂在多元素氢氧化物自下而上合成中的作用。

Understanding the role of solvents in bottom-up synthesis of multi-element hydroxides.

作者信息

Li Fei, Yoshida Kanako, Van Chuc Nguyen, Osada Minoru, Abe Hiroya

机构信息

Joining and Welding Research Institute, Osaka University Osaka 5670047 Japan

Institute of Materials Science, Vietnam Academy of Science and Technology Hanoi Vietnam.

出版信息

RSC Adv. 2024 Jan 2;14(1):75-82. doi: 10.1039/d3ra07344k.

DOI:10.1039/d3ra07344k
PMID:38173604
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10758770/
Abstract

Here we report a comparative study on the bottom-up synthesis of multi-element hydroxides composed of Mg, Al, Fe and Zn cations to understand the role of solvents. Two common solvents, water and ethylene glycol, a typical polyol, are used. The polyol-derived MgAlFeZn-OH are nanosheets with homogeneous elemental distribution, while the hydrothermal-derived MgAlFeZn-OH are mixtures of plate-like hydroxide layers and rod-like spinel oxides. The coordinating properties and the high viscosity of the ethylene glycol provide the possibility to mediate the hydrolysis rates and to control the particle growth. The high specific surface area of the polyol-derived multi-element hydroxide nanosheets (352.4 m g) guarantees them as excellent adsorbents for adsorbing anionic dyes in aqueous solution.

摘要

在此，我们报告了一项关于由镁、铝、铁和锌阳离子组成的多元素氢氧化物的自下而上合成的比较研究，以了解溶剂的作用。使用了两种常见溶剂，水和典型的多元醇乙二醇。由多元醇衍生的MgAlFeZn-OH是具有均匀元素分布的纳米片，而水热衍生的MgAlFeZn-OH是片状氢氧化物层和棒状尖晶石氧化物的混合物。乙二醇的配位特性和高粘度为调节水解速率和控制颗粒生长提供了可能性。由多元醇衍生的多元素氢氧化物纳米片的高比表面积（352.4 m²/g）保证了它们作为水溶液中阴离子染料的优良吸附剂。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/a06ebb3e2ca6/d3ra07344k-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/899735f45349/d3ra07344k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/e6d263730e38/d3ra07344k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/f940cf54be12/d3ra07344k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/40afaf4db424/d3ra07344k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/ab56a156987a/d3ra07344k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/f96b1bdd1d3e/d3ra07344k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/4196b6c5b067/d3ra07344k-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/a06ebb3e2ca6/d3ra07344k-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/899735f45349/d3ra07344k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/e6d263730e38/d3ra07344k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/f940cf54be12/d3ra07344k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/40afaf4db424/d3ra07344k-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/ab56a156987a/d3ra07344k-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/f96b1bdd1d3e/d3ra07344k-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/4196b6c5b067/d3ra07344k-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/893b/10758770/a06ebb3e2ca6/d3ra07344k-f8.jpg

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