Synthesis and characterization of tungstophosphoric acid-modified mesoporous sponge-like TUD-1 materials

Synthesis and characterization of tungstophosphoric acid-modified mesoporous sponge-like TUD-1... Highlights TUD-1 materials were synthetized using different TEOS/TEA molar ratios and hydrotreatment times. Their influence on the textural and morphological properties was evaluated. The TUD-1 materials were impregnated with tungstophosphoric acid. They gave excellent yield in the in the solvent-free synthesis of 2,4,5-triphenyl-1H-imidazole. ● ● ● Keywords Mesoporous silica TUD-1 Tungstophosphoric acid Trisubstituted imidazoles 1 Introduction interconnected mesopores [7] that display a three- dimensional (sponge-like) array has been reported. This During the last decades, much has been reported about the material, known as TUD-1 (Technische Universiteit Delft) synthesis and application of mesoporous materials in dif- [8], can be easily modified by the addition of other elements ferent science areas [1, 2]. In catalysis, mesoporous mate- to its structure. This three-dimensional and irregular rials with large surface area and high pore volume have mesopore structure allows a fast diffusion into and out of proved to be suitable materials to be used as support [1], TUD-1, making the material an interesting solid for the since they can easily accommodate large molecules [3] such development of supported catalysts. as heteropoly acids (HPA). This material is easy to prepare, has high thermal stabi- A variety of mesoporous materials with controllable pore lity, and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Sol-Gel Science and Technology Springer Journals

Synthesis and characterization of tungstophosphoric acid-modified mesoporous sponge-like TUD-1 materials

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Materials Science; Ceramics, Glass, Composites, Natural Materials; Inorganic Chemistry; Optical and Electronic Materials; Nanotechnology
ISSN
0928-0707
eISSN
1573-4846
D.O.I.
10.1007/s10971-018-4677-z
Publisher site
See Article on Publisher Site

Abstract

Highlights TUD-1 materials were synthetized using different TEOS/TEA molar ratios and hydrotreatment times. Their influence on the textural and morphological properties was evaluated. The TUD-1 materials were impregnated with tungstophosphoric acid. They gave excellent yield in the in the solvent-free synthesis of 2,4,5-triphenyl-1H-imidazole. ● ● ● Keywords Mesoporous silica TUD-1 Tungstophosphoric acid Trisubstituted imidazoles 1 Introduction interconnected mesopores [7] that display a three- dimensional (sponge-like) array has been reported. This During the last decades, much has been reported about the material, known as TUD-1 (Technische Universiteit Delft) synthesis and application of mesoporous materials in dif- [8], can be easily modified by the addition of other elements ferent science areas [1, 2]. In catalysis, mesoporous mate- to its structure. This three-dimensional and irregular rials with large surface area and high pore volume have mesopore structure allows a fast diffusion into and out of proved to be suitable materials to be used as support [1], TUD-1, making the material an interesting solid for the since they can easily accommodate large molecules [3] such development of supported catalysts. as heteropoly acids (HPA). This material is easy to prepare, has high thermal stabi- A variety of mesoporous materials with controllable pore lity, and

Journal

Journal of Sol-Gel Science and TechnologySpringer Journals

Published: May 31, 2018

References

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