ECO-FRIENDLY METHOD FOR SYNTHESIS OF MESOPOROUS SILICA

被引：0

作者：

Petreanu, Irina ^{[1
,2
]}

Soare, Amalia ^{[1
]}

Niculescu, Violeta-Carolina ^{[1
]}

Fierascu, Radu-Claudiu ^{[3
]}

Gitman, Jana ^{[4
]}

Teodorescu, Mircea ^{[4
]}

机构：

[1] National R&D Institute for Cryogenic and Isotopic Technologies, Ramnicu Valcea, Romania

[2] Faculty of Chemical Engineering and Biotechnologies, University POLITEHNICA of Bucharest, Romania

[3] INCDCP-ICECHIM, Bucharest, Romania

[4] Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology POLITEHNICA Bucharest, Romania

来源：

UPB Scientific Bulletin, Series B: Chemistry and Materials Science | 2024年 / 86卷 / 03期

关键词：

Fourier transform infrared spectroscopy - Mesoporous materials - Nanocomposites;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Mesoporous silica is an important class of materials, with remarkable structures and features, and applications in catalysis, drug carrier, pollutant removal, or nanocomposite filler. The synthesis of mesoporous silica is carried out by Stöber method, modified by adding a surfactant acting as pore-forming agent. A new, eco-friendly method using microwave-assisted extraction for surfactant removal was proposed. The obtained silica powder was characterized by infrared spectroscopy (FTIR), electron microscopy (SEM), Dynamic Light Scattering (DLS), and X-ray diffraction (XRD). The results show many similarities with hexagonally ordered mesoporous silica, obtained through the classical method consisting of reflux extraction of surfactant in acidified dioxane solution. © 2024, Politechnica University of Bucharest. All rights reserved.

引用

页码：65 / 74

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