Sol–Gel Synthesis and Textural–Structural Characteristics of Manganese Oxide: the Effect of Thermal-Modification Temperature

被引：0

作者：

Saenko E.V. ^{[1
]}

机构：

[1] Perm Federal Research Center, Ural Branch, Russian Academy of Sciences, Perm

来源：

Polymer Science - Series D | 2023年 / 16卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

birnessite; H-form; low-temperature nitrogen adsorption; manganese oxide; specific surface area; textural properties; thermal modification temperature;

D O I：

10.1134/S1995421223030279

中图分类号：

学科分类号：

摘要：

Abstract: Using the sol–gel method, by reacting solutions of maleic acid and potassium permanganate, samples have been obtained with a turbostat stacking of layers, which is characteristic of the birnessite structure. Using X-ray phase and thermogravimetric analysis, Raman spectroscopy, and low-temperature nitrogen adsorption, the dependence of the textural–structural characteristics of the synthesized materials on the temperature of thermal modification (150, 360°C) and sample composition (Sr-form, H-form) has been shown. It has been found that all samples are characterized by a mesoporous texture. It is shown that the water content in the samples is closely related to the quantitative determination of the specific surface area: the more water, the greater the S BET value. © 2023, Pleiades Publishing, Ltd.

引用

页码：518 / 521

页数：3

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