Surface acidity of novel mesostructured silicas with framework aluminum obtained by SBA-16 related synthesis

被引：29

作者：

Gallo, Jean Marcel R. ^{[1
,2
,3
]}

Bislo, Chiara ^{[1
,2
]}

Marchese, Leonardo ^{[1
,2
]}

Pastore, Heloise O. ^{[3
]}

机构：

[1] Univ Piemonte Orientale, Dipartimento Sci & Tecnol Avanzate, I-15100 Alessandria, Italy

[2] Univ Piemonte Orientale, Ctr Interdisciplinare Nano SisTeMI, I-15100 Alessandria, Italy

[3] Univ Estadual Campinas, Grp Peneiras Mol Micro & Mesoporosas, Inst Quim, BR-13084862 Campinas, SP, Brazil

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2008年 / 111卷 / 1-3期

基金：

巴西圣保罗研究基金会;

关键词：

Al]-SBA-16; PH-adjusting; acid sites; mesostructured silica; direct synthesis; Al-27-MAS-NMR; FTIR; CO adsorption;

D O I：

10.1016/j.micromeso.2007.07.022

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A novel SBA-16-related synthesis of mesostructured silica containing framework aluminum is reported here. This material was successfully synthesized using aluminum sulphate and the pH-adjusting method. The structural and porosity properties of this novel material were studied by X-ray diffraction and N-2 adsorption at 77 K. The Al insertion was determined by Al-27-MAS-NMR and the acidity was monitored by infrared spectroscopy of CO adsorption at 100 K. (C) 2007 Elsevier Inc. All rights reserved.

引用

页码：632 / 635

页数：4

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