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
收藏
页码：518 / 521
页数：3
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