One-pot synthesis of mesoporous [Al]-SBA-16 and acidity characterization by CO adsorption

被引：13
作者：
Gallo, Jean Marcel R. [1 ,2 ,3 ]
Bisio, Chiara [1 ,2 ]
Marchese, Leonardo [1 ,2 ]
Pastore, Heloise O. [3 ]
机构：
[1] Univ Piemonte Orientale, Dipartimento Sci & Tecnol Avanzate, I-15121 Alessandria, Italy
[2] Univ Piemonte Orientale, Ctr Interdisciplinare NanosiSTeMI, I-15121 Alessandria, Italy
[3] Univ Estadual Campinas, Inst Quim, Grp Peneiras Mol Micro & Mesoporosas, BR-13084971 Campinas, SP, Brazil
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2011年 / 145卷 / 1-3期
基金：
巴西圣保罗研究基金会;
关键词：
Al]-SBA-16; pH-adjusting method; Acid sites; Mesostructured silica; CO adsorption; STATE NMR-SPECTROSCOPY; MOLECULAR-SIEVES; SILICA; SBA-16; CATALYSTS; IR; HYDRODESULFURIZATION; MECHANISM; COPOLYMER; FRAMEWORK;
D O I：
10.1016/j.micromeso.2011.05.005
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
We report here on the first one-pot synthesis of mesoporous silica SBA-16 containing aluminum. This material was successfully synthesised using poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol) Pluronic F-127 (PEO106PPO70PEO106) as structure directing agent, butanol as co-surfactant and specifically adjusting the pH during the synthesis (i.e. adopting the so called "pH-adjusting method"). The structural and porosity properties of the novel [Al]-SBA-16 were studied by X-ray diffraction, Al-27-MAS-NMR and N-2 adsorption at 77 K. The acidity was monitored by infrared spectroscopy of CO adsorption at 100 K. (C) 2011 Elsevier Inc. All rights reserved.
引用
收藏
页码：124 / 130
页数：7
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