介晶模板合成有序纳米多孔二氧化硅的结构特性

Q4 Chemistry
T. F. Kouznetsova, E. Kopysh, L. Kulbitskaya, D. Jumaeva, A. Ivanets
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引用次数: 0

摘要

研究人员开发了几种合成路线,并研究了模板法沉积的MCM-48型纳米多孔二氧化硅材料在低价铁(II)阳离子存在下的物理化学性质与合成过程变量之间的相关性。研究了Fe/Si摩尔比、pH值(4和9单位)、分步煅烧(673和923 K)和乙醇萃取十六烷基吡啶模板对硅介孔骨架结构、结构性能和表面能量不均匀程度的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Textural properties of ordered nanoporous silica synthesized on mesogenic template
Several synthesis routes have been developed and correlations between the variables of the synthesis procedure and the physicochemical properties of nanoporous silica materials of the MCM-48 type deposited by the template method in the presence of a low-valent iron (II) cation have been investigated. Changes in the structure of silica mesoporous framework, its textural properties and the degree of energy inhomogeneity of the surface were studied depending on the Fe/Si molar ratio, pH values (4 and 9 units), stepwise calcination (673 and 923 K) and extraction of cetylpyridinium template with ethanol from xerogels. 
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来源期刊
CiteScore
0.30
自引率
0.00%
发文量
38
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