Mesoporous MSU materials functionalized with sulfonic group: A multinuclear NMR and theoretical calculation study

被引：26

作者：

Wang, JQ

Yu, NY

Zheng, AM

Yang, J

Wu, D

Sun, YH

Ye, CH

Deng, F ^{[1
]}

机构：

[1] Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China

[2] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2006年 / 89卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

bronsted acidity; DFT calculation; solid-state NMR spectroscopy; sulfonic-functionalized MSU; mesoporous material;

D O I：

10.1016/j.micromeso.2005.11.002

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The structure and acidity of sulfonic group functionalized mesoporous materials with MSU structure were characterized in detail using multinuclear NMR technique in combination with other approaches such as XRD, N-2 adsorption and desorption, as well as density function theory (DFT) calculation. Our experimental and theoretical calculation results indicate that functionalized MSU-SO3H materials with well-ordered mesostructure have been successfully synthesized and the materials have acid strength slightly weaker than that of microporous zeolite HZSM-5, which may be helpful for the understanding of some acid-catalyzed reactions, such as alkylation and esterification, occurring on sulfonic-functionalized mesoporous materials. (c) 2005 Elsevier Inc. All rights reserved.

引用

页码：219 / 226

页数：8

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